ST45 (Lidui, “Severe Exchange”) is the Jing-Well Point point of the Stomach Meridian. It is located on the dorsal aspect of the second toe, at the junction of lines drawn along the lateral border of the nail and the base of the nail, approximately 0.1 cun from the corner. It clears heat from the Stomach channel, revives consciousness, calms the spirit, and harmonizes the Stomach and intestines.
On the dorsal aspect of the second toe, at the junction of lines drawn along the lateral border of the nail and the base of the nail, approximately 0.1 cun from the corner.
Superficial, oblique insertion directed proximally, 0.1-0.2 cun, or prick to bleed.
Clears heat from the Stomach channel, revives consciousness, calms the spirit, and harmonizes the Stomach and intestines.
Shi-jue (corpse-like collapse), loss of consciousness, lockjaw, cessation of breath, states resembling spirit possession, abdominal fullness and distention, facial swelling, toothache of the upper jaw, aversion to cold, nasal congestion, nosebleed, yellow nasal discharge, nightmares, excessive dreaming, mania with desire to climb to high places and sing, mania with stripping off clothes and running, aversion to people and fire, fright upon hearing wooden sounds, cold feet, heat in the body, lack of sweating in febrile disease, jaundice, aversion to food, indigestion, pain along the course of the channel (chest, breast, inguinal region, thigh, shin, and dorsum of the foot), knee and patellar swelling and pain, foot coldness.
As the Jing-Well and Metal point of the Stomach channel, ST45 is a primary point for clearing acute heat and resuscitating from collapse, especially with a presentation of mania or febrile disease. It is particularly effective for conditions like high fever, delirium, and fainting. Pricking to bleed is a common modern technique to powerfully clear heat, treat acute tonsillitis, or alleviate toothache. Its distal location on the channel also makes it useful for pain and swelling along the entire Stomach meridian.
Classical text; the translation was prepared with AI and is not clinical advice.
《扁鵲神應針灸玉龍經》 Biǎn Què Shényìng Zhēnjiǔ Yùlóng Jīng — Bian Que's Jade Dragon Classic of Divinely Responsive Acupuncture & Moxibustion, 1329 · 戊足阳明胃之经 · Source: Wikisource ↗
厉兑 为井金。 在大趾次趾端,去爪甲如韭叶。 治热病无汗如疟,尸厥、口噤,腹胀,多睡,面肿,喉痹牙疼According to this text, ST45 is the jing-well (metal) point at the tip of the second toe, a leek leaf's breadth from the nail, and was used for febrile disease without sweating resembling malaria, corpse-like jue, lockjaw, abdominal distension, excessive sleep, facial swelling, throat bi and toothache.
《黃帝明堂灸經》 Huángdì Míngtáng Jiǔjīng — The Yellow Emperor's Bright Hall Moxibustion Classic, Tang · 卷上 · 正人形第三 · Source: jicheng.tw ↗
厲兌 二穴,在足大指次指之端,去爪甲一韭葉。 灸一壯,主屍厥如死,不知人,多睡善驚,面上浮腫也According to this text, ST45 lies at the tip of the second toe, a leek leaf's breadth from the nail, and receives 1 moxa cone; it was used for corpse-like jue resembling death with loss of consciousness, excessive sleep with proneness to fright, and puffiness of the face.
《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷07 · Source: Wikisource ↗
熱病汗不出,鼽衄,眩,時仆而浮腫,足脛寒,不得臥,振寒,惡人與木音,喉痺齲齒,惡風,鼻不利,多善驚,厲兌主之The text records that ST45 was used for febrile disease without sweating, nasal congestion and nosebleed, dizziness with occasional falling and puffy swelling, cold shins, inability to lie down, shivering, aversion to people and the sound of wood, throat bi, tooth decay, aversion to wind, blocked nose, and frequent fright.
ST45 is one of 45 points on the Stomach Meridian. Nearby points:
ST45 (Lidui) is located on the dorsal aspect of the second toe, at the junction of lines drawn along the lateral border of the nail and the base of the nail, approximately 0.1 cun from the corner.
ST45 clears heat from the Stomach channel, revives consciousness, calms the spirit, and harmonizes the Stomach and intestines. Common clinical indications include shi-jue (corpse-like collapse), loss of consciousness, lockjaw, cessation of breath, states resembling spirit possession, abdominal fullness and distention, facial swelling, toothache of the upper jaw, aversion to cold, nasal congestion, nosebleed, yellow nasal discharge, nightmares, excessive dreaming, mania with desire to climb to high places and sing, mania with stripping off clothes and running, aversion to people and fire, fright upon hearing wooden sounds, cold feet, heat in the body, lack of sweating in febrile disease, jaundice, aversion to food, indigestion, pain along the course of the channel (chest, breast, inguinal region, thigh, shin, and dorsum of the foot), knee and patellar swelling and pain, foot coldness.
Superficial, oblique insertion directed proximally, 0.1-0.2 cun, or prick to bleed.
ST45 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).