Exits through the perineum at DU 1 (midway between the tip of the coccyx and anus).
Ascends along the midline of the sacrum and the interior portion of the spinal column to DU 16 (nape of the neck).
Enters the brain at DU 16.
Ascends to the vertex at DU 20.
Re-emerges from the brain at DU 20.
Descends to the tip of the nose, bridge of the nose, philtrum, and enters the lip and gum at DU 28.
Total points in the DU channel: 28 (DU 26 is considered the most important).
Branches of the Primary Pathway
Branch 1
Originates in the lower abdomen.
Descends to the genitals and the perineum.
Winds around the anus.
Ascends the interior of the spinal column.
Connects to the kidneys.
Branch 2
Originates in the lower abdomen.
Winds around the external genitalia.
Ascends to the middle of the umbilicus (front of the body).
Passes through the heart.
Ascends to the throat.
Winds around the mouth.
Ascends to below the middle of the eyes (similar to the Ren channel).
Branch 3
Emerges at Bladder 1.
Follows the bladder channel bilaterally along the forehead.
Branches and converges at the vertex of the head around DU 20.
Enters the brain.
Emerges at DU 16.
Descends along either side of the spinal column (either side of the bladder channel) and enters the kidneys
Luo-Connecting Pathway
Originates at DU 1 (the DU-Luo connecting point).
Ascends bilaterally along the sides of the spine to the nape of the neck.
Spreads into the occiput.
Spreads into the scapular region, connecting with the bladder channel.
Affects the entirety of the back and occiput.
General Characteristics
The DU channel is one of the eight extraordinary vessels and has its own points (part of the 14 channels).
The channel ascends through the spine to the brain.
It has a polar axis relationship with the Ren channel (front and back, yin and yang).
Key Functions and Connections
Ascends inside and alongside the spine.
Enters the brain at DU 16 and DU 20 (depending on the pathway).
Enters the kidneys.
Connects to the heart.
Has connections to the anus and external genitalia.
Has a connection to the head, especially the occiput due to the Luo pathway.
Clinical Applications
Diseases of the Anus, Rectum, and Intestines: Hemorrhoids, paralysis of the rectum, intestinal disorders.
Diseases of Genitals, Urinary System, and Uterus: Painful urination, urinary retention, menstrual disturbances, leukorrhea, abnormal discharge.
Spinal Issues: Treats the spine in general as it ascends through and on top of the spine.
Clearing Heat: Known as the "Sea of Yang Channels." All yang channels meet at DU 14.
Treating Diseases of Zang Fu: Adjunctive points to treat organ dysfunction (aligned with back-shu points on the Bladder channel).
DU 8 (level with UB 18): Liver disharmony.
DU 11 (level with UB 15): Heart dysfunction.
DU 12 (level with UB 13): Lung dysfunction.
Treating Wind: Effective for both exterior and interior wind.
Points like DU 14 and DU 16.
Treating Sense Organs: Due to connections with the head and face, treats the tongue, eyes, face, and nose.
Treating Heart Disorders: Treats disorders of the heart due to a deep branch running anteriorly through the heart, and due to heat disturbing the heart and shen.
Treats heart zong, primarily pain and palpitations.
Treating Brain and Spirit Disorders: Treats mania, depression, palpitations, disorientation, and loss of consciousness.
Specific Points
DU 1 (Luo-Connecting Point)
Location: Midway between the coccyx and anus.
Treats hemorrhoids.
Benefits the two lower orifices.
Helps with channel pain.
DU 2 (Yao Shu)
Location: Sacral coccygeal hiatus (connection of sacrum to coccyx).
Strengthens the lumbar area.
Treats local, chronic pain in the back and sacrum.
Treats epilepsy and spasms.
Helps with menstruation.
DU 3 (Yao Yang Guan)
Location: Inferior border of the spinous process of L4 (fourth lumbar vertebra).
Primarily local.
Treats back pain, weakness in the legs.
Treats kidney yang deficiency.
Treats irregular menstruation.
DU 4 (Mingmen)
Location: Lower border of L2 (between L2 and L3 spinous processes).
Level with back-shu of kidney (UB 23) and spiritual point of will (UB 52).
Tonifies kidney yang and original qi.
Nourishes and strengthens the low back.
Benefits essence.
Expels cold.
Treats libido, impotence, irregular menstruation.
Moxa is highly beneficial.
DU 5
Location: Lower border of L1.
Non-natured, locally treats the lumbar area.
DU 6 (Jizhong)
Location: Lower border of T11 (level with back-shu of spleen).
Tonifies spleen and resolves dampness.
Benefits the spine.
Treats pain and fullness of the epigastric region, diarrhea, and jaundice.
DU 7 (Zhongshu)
Location: Lower border of T10 (level with UB 19, back-shu of gallbladder).
Benefits the spine locally.
Benefits the middle jiao.
Gallbladder helps treat jaundice and abdominal fullness.
DU 8 (Jinsuo)
Location: Lower border of T9 (level with UB 18, back-shu of liver).
Soothes the liver, pacifies wind, relieves spasm.
Calms the spirit.
Treats epilepsy, childhood fright, contraction of the spine, mania, jaundice, and anger.
DU 9 (Zhiyang)
Location: Lower border of T7 (level with UB 17, influential point of blood).
Tonifies spleen and resolves dampness.
Benefits middle jiao.
Treats jaundice and opens the chest.
DU 10 (Lingtai)
Location: Level with the sixth thoracic vertebra.
Treats cough, asthma, and detoxifies poisons in the skin.
Level with UB 16.
DU 11 (Shen Dao)
Location: Lower border of T5 (level with UB 15, back-shu of the heart).
Regulates the heart, calms the mind.
Treats sadness, anxiety, poor memory.
Treats pain and cold of the upper back.
DU 12 (Shenzhu)
Location: Below the third thoracic vertebra (level with UB 13, back-shu of the lung).
Eliminates interior wind, calms spasms.
Regulates and strengthens the lung and wei qi.
Think of lung, invasion, and wind when using this point.
DU 13 (Taodao)
Location: Skip T2 and goes to T1. Crossing point of UB and DU channels.
Helps clear heat and release the exterior.
Regulates the Shao Yang syndrome (alternating chills and fever).
Regulates the DU channel.
Treats pain and stiffness of the spine locally as well as early-stage exterior wind-heat where ShaoYang symptoms (chills, fever) are starting to get deeper.
DU 14 (Dazhui)
Location: Lower border of C7 (most prominent cervical vertebra).
Crossing point of all six yang channels (three hand, three foot).
Clears heat (top choice, LI 11 is second).
Releases the exterior, tonifies yang.
Regulates sweating.
Treats exterior wind, interior wind, yung deficiency, and exterior invasion.
DU 15 (Yamen)
Location: 0.5 cun superior to the posterior hairline on the nape of the neck.
Gate of muteness (relates to tongue and speech).
Helps with wind (wind invasion).
Benefits the neck and spine.
Treats stiffness and speech difficulty due to windstroke, as well as deafness and muteness.
Caution: Do not needle upwards.
DU 16 (Fengfu)
Location: 1 cun above the posterior hairline.
Palace of wind (treats wind).
Eliminates wind, clears the mind, and benefits the brain.
Treats exterior wind-cold and wind-heat syndromes, and interior wind syndromes.
Connects deeply to the brain, helping mental focus, acuity, Shen, and brain function.
Treats headaches, dizziness, blurred vision, and sore throat.
Caution: Needle downwards or straight, not upwards, to avoid hitting the medulla.
DU 17 (Naohu)
Location: 1.5 cun above DU 16 (on the skull, needle subcutaneously).
Pacifies wind, benefits the brain, and clears the mind.
Treats interior wind affecting the brain, such as windstroke, epilepsy, giddiness, and headache.
DU 18 (Qiangjian)
Location: 1.5 cun above DU 17 (subcutaneously).
Same functions as DU 17: pacifies wind, alleviates pain, and calms the spirit.
DU 19 (Houding)
Location: 1.5 cun above DU 18 (subcutaneously).
Same functions as DU 17 and 18: pacifies wind, alleviates pain, and calms the mind.
DU 20 (Baihui)
Location: 7 cun from the posterior hairline or 5 cun from the anterior hairline.
Hundred meetings. Crossing point with urinary bladder, gallbladder, san jiao, and liver channels.
Clears the mind, lifts the spirit, tonifies yang, strengthens ascending function (for prolapse), eliminates interior wind, and promotes resuscitation.
Treats prolapse, weakness, depression, sadness, and wind.
DU 21 (Qianding)
Location: 1.5 cun anterior to DU 20 (subcutaneously).
Benefits the head and nose, has some function towards vision.
DU 22 (Xinhui)
Location: 1.5 cun in front of DU 21 (subcutaneously).
Benefits the nose and head, eliminates wind.
Caution: Fontanelle closure occurs here in babies, so avoid needling.
DU 23 (Shangxing)
Location: 1 cun from the anterior hairline (subcutaneously).
Upper star, calms the mind.
Treats mental disorders, benefits the nose, eyes, wind, and head.
DU 24 (Shenting)
Location: 0.5 cun posterior to the anterior hairline (subcutaneously).
Courtyard of the spirit, relates to the mind.
Treats the nose, eyes, wind, and head.
DU 25 (Suliao)
Location: Tip of the nose.
Benefits the nose.
DU 26 (Renzhong/Shuigou)
Location: Junction of the nose to philtrum (upper lip).
Crossing point of large intestine and stomach channels.
Resuscitates a patient who has lost consciousness.
Treats the lumbar region and spine.
DU 27 & 28 (Duiduan)
Location: Tip of the lip and inside the mouth.
Clears heat helping generates fluids, benefit the nose and eyes