SI2 (Qiangu, “Front Valley”) is the Ying-Spring Point point of the Small Intestine Channel Meridian. It is located on the ulnar aspect of the hand, in the depression just distal to the head of the fifth metacarpal bone, at the junction of the red and white skin. This point is found when a loose fist is made. It clears heat, reduces swelling, benefits the eyes, ears, and throat, and activates the channel to alleviate pain.
On the ulnar aspect of the hand, in the depression just distal to the head of the fifth metacarpal bone, at the junction of the red and white skin. This point is found when a loose fist is made.
Perpendicular insertion 0.3-0.5 cun.
Clears heat, reduces swelling, benefits the eyes, ears, and throat, and activates the channel to alleviate pain.
Heat disease with no sweating, malaria, epilepsy, ear ringing, neck and cheek swelling, sore throat, nasal congestion, cough with nosebleed, arm pain preventing lifting, insufficient lactation, pain of the shoulder blade and little finger, headache, dizziness, red eyes, white film over the eye, eye pain with tearing as if the eye is coming out, red urine from taxation heat, head and neck pain making it difficult to turn the head, swollen throat preventing swallowing, arm and wrist pain.
As the Ying-Spring point of the Small Intestine channel, Qiangu is classically indicated for clearing heat from the channel and its related sense organs. It is a key distal point for conditions like sore throat, red eyes, and ear ringing, especially when acute and heat-related. Its ability to treat malaria and epilepsy, as noted in several classics, highlights its function in clearing pathogenic factors and calming the spirit.
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 · 丙手太阳小肠经 · Source: Wikisource ↗
前谷 为荥水。 在手小指外侧，本节前陷中。 治伤风，发热无汗，项急背强，颌肿，咽干口渴，目赤，五指热痛According to this text, SI2 is the ying-spring (water) point, in the depression in front of the joint on the outer side of the little finger; it was used for wind injury with fever and no sweating, stiff nape and back, swollen jaw, dry mouth and thirst, red eyes, and hot painful fingers.
《黃帝內經》 Huángdì Nèijīng — The Yellow Emperor's Inner Canon, c. 2nd–1st c. BCE · ben-shu · Source: Wikisource ↗
溜于前谷，前谷，在手外廉本節前陷者中也，為滎According to this text, the channel flows to SI2, which lies on the outer edge of the hand in the depression in front of the joint; it is the ying-spring point.
《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷03 · Source: Wikisource ↗
前谷者，水也。 在手小指外側，本節前陷者中，手太陽脈之所溜也，為滎。 刺入一分，留三呼，灸三壯According to this text, SI2 is the water point, in the depression in front of the joint on the outer side of the little finger, where the hand Taiyang flows as the ying-spring; needle 0.1 cun, retain three breaths, moxibustion 3 cones.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之五·紛署集 · 手太陽凡一十六穴第二十八 · Source: jicheng.tw ↗
前谷二穴，主寒熱汗不出，痎瘧，癲疾，耳鳴，頷項腫引耳後，喉痹，咳嗽，吐衄，鼻塞不利，目中翳膜，臂不能舉，婦人產後無乳The text records that SI2 was used for cold and heat without sweating, malaria, epilepsy, tinnitus, swelling of jaw and nape pulling behind the ear, throat bi, cough, vomiting blood and nosebleed, blocked nose, eye membranes, inability to raise the arm, and lack of milk after childbirth.
SI2 is one of 19 points on the Small Intestine Channel Meridian. Nearby points:
SI2 (Qiangu) is located on the ulnar aspect of the hand, in the depression just distal to the head of the fifth metacarpal bone, at the junction of the red and white skin. This point is found when a loose fist is made.
SI2 clears heat, reduces swelling, benefits the eyes, ears, and throat, and activates the channel to alleviate pain. Common clinical indications include heat disease with no sweating, malaria, epilepsy, ear ringing, neck and cheek swelling, sore throat, nasal congestion, cough with nosebleed, arm pain preventing lifting, insufficient lactation, pain of the shoulder blade and little finger, headache, dizziness, red eyes, white film over the eye, eye pain with tearing as if the eye is coming out, red urine from taxation heat, head and neck pain making it difficult to turn the head, swollen throat preventing swallowing, arm and wrist pain.
Perpendicular insertion 0.3-0.5 cun.
SI2 is a point on the Small Intestine Channel Meridian (Shǒu Tài Yáng Xiǎo Cháng Jīng).