Jing-well (gold) point. Lingshu-Genjie: "Taiyang originates at Zhiyin (至陰, reaching yin) and connects to Mingmen (命門, life gate), which refers to eyes."

bubble_chart Etymology

This point belongs to foot taiyang bladder meridian, which has a total of 67 points. It is the last point on this meridian, where foot taiyang meridian connects to foot shaoyin meridian. It signifies the transition from yang to yin, hence the name "Zhiyin" (reaching yin).

bubble_chart Location

Zhiyin (BL67) acupoint
(adapted from "Meridians and Acupoints")

• Lingshu-Benshu: "At tip of little toe";
• Zhenjiu Jiayi Jing: "On lateral side of little toe, a leek-leaf distance from toenail." In other words, it is located in the depression 0.1 cun posterior to lateral corner of little toenail.

bubble_chart Anatomy

• Nerves: proper plantar digital nerve and lateral dorsal cutaneous nerve of foot.
• Vessels: dorsal digital artery and arterial network formed by proper plantar digital arteries.

bubble_chart Manipulation

Shallow insertion 0.1~0.2 cun or prick to bleed. Commonly treated with warm moxibustion using an moxa stick for 15~20 minutes, or with 3~5 cones of moxibustion.

bubble_chart Efficacy

Dispel wind-heat, fortify head and neck, facilitate delivery.

• Classical: Heaviness in head, epistaxis, spasm and convulsion, absence of sweating, irritability, nuchal pain, eye nebula, difficulty urinating, pain in chest and hypochondriac area, retching and vomiting, hernia, stillbirth, retained placenta, transverse fetal position, itching, swollen ankles and knees, heat in sole, wind-cold starting from little toe causing numbness and pain traveling up to the chest and ribs with shifting pain, nocturnal emission.
• Modern: abnormal fetal position, prolonged labor, retained placenta.

bubble_chart Combinations

• Itching with more pain: Wuyi (ST15), Zhiyin (BL67).
• Seminal emission: Zhongji (CV3), Ququan (LR8), Zhiyin (BL67).
• Head and neck pain: Fengchi (GB20), Taiyang (EX-HN5), Zhiyin (BL67).