Zutonggu (BL66)
Zutonggu (BL66), “Foot Valley Passage”, is a point on the Bladder meridian. It is point 66 of the 67 on the channel. Ying-Spring of the Bladder: drains channel Heat and clears the head.
Location
On the little toe, in the depression distal and lateral to the fifth metatarsophalangeal joint, at the border between the red and white skin.
Functions according to tradition
Ying-Spring of the Bladder: drains channel Heat and clears the head.
Traditional indications
- Headache
- Dizziness
- Neck stiffness
- Nosebleed
- Mania
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
What its classification means
Second of the five transport points: the Qi “glides”. Tradition reserves it mainly for heat in the channel itself.
Precautions
No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- GV18 Qiangjian (Du Mai (Governing Vessel)): Dizziness, Headache, Mania, Neck stiffness
- GV19 Houding (Du Mai (Governing Vessel)): Dizziness, Headache, Neck stiffness
- TE12 Xiaoluo (San Jiao (Triple Burner)): Dizziness, Headache, Neck stiffness
- GB13 Benshen (Gallbladder): Dizziness, Headache
- GB19 Naokong (Gallbladder): Dizziness, Neck stiffness
- GV22 Xinhui (Du Mai (Governing Vessel)): Dizziness, Headache
Point profile
- Code
- BL66
- Pinyin name
- Zú Tōng Gǔ
- Characters
- 足通谷
- Translation
- Foot Valley Passage
- Meridian
- Bladder
- Element
- Water
- Classification
- Ying-Spring
- Topics
- Head & Neck, Fever, Mental
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
