Yu, Tongshu. The point is near the deepest recess of the spine (the spinous process of the third lumbar vertebra) and corresponds to the anterior and posterior points of conception vessel (CV) Qihai (CV6) in the abdomen.

[Location]

Qihaishu (BL24) acupoint
(quoted from "Meridians and Acupoints")

• Taiping Shenghui Fang: "On both sides under the fifteenth vertebra, the body cun is one and a half inches apart."

[Anatomy]

• Muscles: between the lumbar membrane, longissimus and iliocostalis.
• Nerve: The medial branch of the posterior branch of the second lumbar nerve, the deep layer is the lateral branch of the posterior branch, and the lumbar branch.
• Vessel: The medial branch of the dorsal branch of the third lumbar artery and vein.

[Manipulation]

Perpendicular insertion or downward oblique insertion 0.5~1.5 inches. moxa cone moxibustion 3 to 5 times, moxa stick warm moxibustion for 10 to 15 minutes.

[Efficacy]

Adjust the lower jiao and strengthen the waist and knees.

• Classical: Lumbago, leg and knee problems, hemorrhoids, fistula disease, and bloody diarrhea.
• Modern: menstrual irregularities, dysfunctional Zigong (EX-CA1) hemorrhage, lower extremity paralysis.

[Recipe]

• Dysfunctional Zigong (EX-CA1) Bleeding: Shiqizhui (EX-B8), Qihaishu (BL24), Sanyinjiao (SP6).