SP15 (Dàhéng, “Great Horizontal”) is an acupuncture point on the Spleen Channel Meridian. It is located on the abdomen, level with the centre of the umbilicus, 4 cun lateral to the midline; 3 cun inferior to Fuai (SP16). It regulates the intestines, moves qi, and dispels cold.
On the abdomen, level with the centre of the umbilicus, 4 cun lateral to the midline; 3 cun inferior to Fuai (SP16).
Perpendicular insertion 1.0 to 2.0 cun. Deeper insertion may penetrate the peritoneal cavity, which is generally safe but requires caution.
Regulates the intestines, moves qi, and dispels cold.
Great wind with rebellious qi, abundant cold, tendency to sadness, inability to move the four limbs, excessive sweating, severe diarrhea, four limbs cannot be raised, fright, heart palpitations, lack of strength, abdominal fullness, abdominal pain, constipation, cold in the abdomen, diarrhea with undigested food, cough with rebellious qi, umbilical pain, heart pain.
Daheng is a primary point for regulating intestinal function, located horizontally from the umbilicus. It is classically indicated for both excess conditions like constipation and abdominal fullness, and deficiency conditions such as chronic diarrhea, cold in the abdomen, and weakness of the limbs. Its connection to the Yin Wei Mai also gives it an influence on emotional states like sadness and fright palpitations.
Classical text; the translation was prepared with AI and is not clinical advice.
《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗
大横平脐旁四寸半。 灸五壮。 主腹热欲走，太息，四肢不可动，多汗洞泄，大风逆气，多寒善愁According to this text, SP15 lies level with the navel, 4.5 cun to the side, with 5 moxa cones; it was used for abdominal heat with restlessness, sighing, immobile limbs, profuse sweating with throughflow diarrhoea, great wind with counterflow qi, and much cold with a tendency to worry.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之八·陰陽臟腑部 · 穴法下 · Source: jicheng.tw ↗
大橫二穴，在腹哀下二寸五分，直臍旁，足太陰陰維之會。 針入七分，灸五壯According to this text, SP15 lies 2.5 cun below Fu'ai (SP16), directly beside the navel, and is a meeting point of the foot Taiyin and Yinwei; needle 0.7 cun, moxibustion 5 cones.
《千金翼方》 Qiānjīn Yìfāng — Supplement to the Thousand Gold Prescriptions, c. 682 · 卷27 · Source: Wikisource ↗
俠臍旁相去兩邊各二寸半，名大橫，主四肢不可舉動，多汗洞痢，灸之隨年壯According to this text, SP15 lies 2.5 cun on each side of the navel and was used for limbs that cannot be lifted or moved and profuse sweating with throughflow dysentery, with moxa cones equal to the patient's age.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之五·紛署集 · 腹自期門上直兩乳夾不容兩旁各一寸五分下行至衝門凡十四穴第二十二 · Source: jicheng.tw ↗
大橫二穴，主大風逆氣，多寒善悲，四肢不可舉動，多汗，洞泄The text records that SP15 was used for great wind with counterflow qi, much cold with a tendency to sadness, limbs that cannot be lifted or moved, profuse sweating and throughflow diarrhoea.
SP15 is one of 21 points on the Spleen Channel Meridian. Nearby points:
SP15 (Dàhéng) is located on the abdomen, level with the centre of the umbilicus, 4 cun lateral to the midline; 3 cun inferior to Fuai (SP16).
SP15 regulates the intestines, moves qi, and dispels cold. Common clinical indications include great wind with rebellious qi, abundant cold, tendency to sadness, inability to move the four limbs, excessive sweating, severe diarrhea, four limbs cannot be raised, fright, heart palpitations, lack of strength, abdominal fullness, abdominal pain, constipation, cold in the abdomen, diarrhea with undigested food, cough with rebellious qi, umbilical pain, heart pain.
Perpendicular insertion 1.0 to 2.0 cun. Deeper insertion may penetrate the peritoneal cavity, which is generally safe but requires caution.
SP15 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).