ACUPUNCTURE
Si Du: TCM Acupoint Guide
SIDU
Name
Si Du (Sidu)
Location
On the lateral side of the forearm, in the depression between the ulna and the radius, 7 cun proximal to SJ-4 Yangchi. Note: divide the distance between the lateral epicondyle of the humerus and SJ-4 Yangchi in half; this point is 1 cun proximal to the midpoint.
Needling
- Straight insertion, 1-2 cun. Sensation: distention and soreness possibly extending to the elbow and hand.
- Perpendicular or oblique proximal or distal insertion toward the elbow or wrist respectively, 1 to 2 cun.
- Puncture perpendicularly, 0.5 to 1 cun.
- Moxibustion is applicable.
Actions
- Benefits the throat and ears
Indications
- Headache
- Deafness
- Toothache
- Forearm pain
- Paralysis of the upper limb
- Neurasthenia
- Vertigo
- Nephritis
- Tennis elbow
- Pain in the gums of the lower jaw
- Sudden deafness
- Toothache in the lower jaw
- Loss of voice
- Obstructed pharynx
- Sore throat
- Sudden tinnitus
- Shortness of breath
- Migraine
- Sudden hoarseness
- Brachial neuralgia
Notes
This point is specifically for ear disorders. A major point for forearm pain.
Sources and further reading
We cite classical materia medica and modern reference works. This article is health education, not medical advice.
- Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
- Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
- Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
- NCCIH and WHO reference material on traditional medicine safety.
Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.
Did this article help you?
Your answer shapes what gets rewritten next.
Keep readingRelated entries
Kou He Liao: TCM Acupoint Guide
Kou He Liao (Kouheliao) is directly below the lateral margin of the nostril, level with DU-26 Renzhong. Older books prohibit moxibustion. Actions.
Xuan Li: TCM Acupoint Guide
Xuan Li (Xuanli) is within the hairline, at the junction of the lower quarter and upper three-quarters of the distance between ST-8 Touwei and GB-7 Qubin..
Hui Yang: TCM Acupoint Guide
Hui Yang (Huiyang) is 0.5 cun lateral to the DU channel, level with the tip of the coccyx. Actions: clears damp-heat, regulates the Lower Jiao, benefits the.
Qu Bin: TCM Acupoint Guide
Qu Bin (Qubin) is on the temple, level with the apex of the ear, 1 cun anterior to SJ-20 Jiaosun. Meeting point with the Urinary Bladder channel. Actions.
Something this article did not cover?
Ask us directly. We reply within two days, and good questions become public articles.
Ask a question →