SP16 Abdominal Sorrow

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

SP16 (Fuai, “Abdominal Sorrow”) is an acupuncture point on the Spleen Channel Meridian. It is located on the upper abdomen, 3 cun superior to the umbilicus and 4 cun lateral to the anterior midline, inferior to the costal margin. It warms the Middle Jiao, regulates the intestines, resolves Damp-Heat, and alleviates abdominal pain.

Location

On the upper abdomen, 3 cun superior to the umbilicus and 4 cun lateral to the anterior midline, inferior to the costal margin.

Needling

Perpendicular or oblique insertion, 0.5 to 1.0 cun. Caution: deep perpendicular insertion carries a risk of puncturing the liver or large intestine.

Overlies abdominal organs (liver/spleen/kidney/gallbladder) — avoid deep perpendicular insertion; risk of organ puncture. The Zhen Jiu Da Cheng includes Fuai in its 'Forbidden Moxibustion Points Song', and the Ming Tang Jiu Jing also states not to use moxibustion on this point.

TCM functions

Warms the Middle Jiao, regulates the intestines, resolves Damp-Heat, and alleviates abdominal pain.

Indications

Abdominal pain, indigestion from cold in the middle, pus and blood in the stool, periumbilical pain that rushes to the heart, diarrhea with cold knees, dysentery.

Clinical notes

Fuai is a significant local point for a variety of intestinal disorders, particularly those characterized by pain, cold, and dysentery. Its name, 'Abdominal Sorrow,' aptly describes its utility for severe digestive distress. It is especially indicated for conditions like dysentery with pus and blood, or chronic diarrhea stemming from cold and deficiency in the Middle Jiao.

In the classical sources

Classical text; the translation was prepared with AI and is not clinical advice.

《針灸大成》 Zhēnjiǔ Dàchéng — Great Compendium of Acupuncture & Moxibustion, 1601 · 卷八 · Source: Wikisource ↗

腹哀 日月下一寸五分,去腹中行各四寸半,足太陰陰維之會。 銅人針三分。 主寒中食不化,大便膿血,腹中痛

According to this text, SP16 lies 1.5 cun below Riyue (GB24), 4.5 cun from the abdominal midline, meeting point of the foot Taiyin and Yinwei; the Tongren needles 0.3 cun. It was used for cold in the middle with undigested food, stools with pus and blood, and abdominal pain.

《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之一·神照集 · 足太陰脾經圖穴十一 · 足太陰脾經所發二十一穴 · Source: jicheng.tw ↗

腹哀二穴,在日月下一寸五分,上直兩乳,俠任脈兩傍各四寸,足太陰陰維之會。 《針經》刺入七分,灸五壯

According to this text, SP16 lies 1.5 cun below Riyue (GB24), directly below the nipples, 4 cun on each side of the Ren vessel, meeting point of the foot Taiyin and Yinwei; the Zhenjing gives needling 0.7 cun and 5 moxa cones.

《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗

腹哀日月下一寸。 禁用针灸

According to this text, SP16 lies 1 cun below Riyue (GB24), and both needling and moxibustion are stated to be prohibited.

《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷03 · Source: Wikisource ↗

腹哀,在日月下一寸五分,足太陰、陰維之會,刺入七分,灸五壯

According to this text, SP16 lies 1.5 cun below Riyue (GB24) and is a meeting point of the foot Taiyin and Yinwei; needle 0.7 cun, moxibustion 5 cones.

On the Spleen Channel channel

SP16 is one of 21 points on the Spleen Channel Meridian. Nearby points:

Frequently asked questions

Where is SP16 located?

SP16 (Fuai) is located on the upper abdomen, 3 cun superior to the umbilicus and 4 cun lateral to the anterior midline, inferior to the costal margin.

What is SP16 used for?

SP16 warms the Middle Jiao, regulates the intestines, resolves Damp-Heat, and alleviates abdominal pain. Common clinical indications include abdominal pain, indigestion from cold in the middle, pus and blood in the stool, periumbilical pain that rushes to the heart, diarrhea with cold knees, dysentery.

How is SP16 needled?

Perpendicular or oblique insertion, 0.5 to 1.0 cun. Caution: deep perpendicular insertion carries a risk of puncturing the liver or large intestine. Caution: Overlies abdominal organs (liver/spleen/kidney/gallbladder) — avoid deep perpendicular insertion; risk of organ puncture. The Zhen Jiu Da Cheng includes Fuai in its 'Forbidden Moxibustion Points Song', and the Ming Tang Jiu Jing also states not to use moxibustion on this point.

Which meridian is SP16 on?

SP16 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.