KI5 (Shuiquan, “Water Spring”) is the Xi-Cleft point of the Kidney Meridian point of the Kidney Channel Meridian. It is located on the medial aspect of the foot, in a depression 1 cun directly inferior to Taixi (KI3), on the anterosuperior aspect of the calcaneus. It regulates menstruation, clears deficiency heat, benefits urination.
On the medial aspect of the foot, in a depression 1 cun directly inferior to Taixi (KI3), on the anterosuperior aspect of the calcaneus.
Perpendicular insertion 0.3-0.5 cun.
Regulates menstruation, clears deficiency heat, benefits urination.
Irregular menstruation, amenorrhea, excessive menstruation, uterine prolapse, painful urination, dribbling urination, abdominal pain, heart pain below the chest after menses, dim vision, inability to see far.
As the Xi-Cleft point of the Kidney channel, Shuiquan is primarily used for acute conditions, particularly those involving blood and the uterus. It is a key point for regulating menstruation, whether it is absent, late, or excessively heavy, often with associated pain. Its ability to treat urinary difficulty and uterine prolapse further highlights its strong action on the Lower Jiao.
Classical text; the translation was prepared with AI and is not clinical advice.
《備急千金要方》 Bèijí Qiānjīn Yàofāng — Essential Prescriptions Worth a Thousand Gold for Emergencies, c. 650 · 第二十九 · Source: Wikisource ↗
水泉，在大溪下一寸，內踝下，足少陰According to this text, KI5 lies 1 cun below Taixi, below the inner ankle, on the foot shaoyin.
《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 · 小肠疝气连腹痛 · Source: Wikisource ↗
水泉穴乃肾之原，脐腹连阴痛可蠲This verse calls KI5 a source point of the kidney and records that it was used to relieve pain of the navel and abdomen extending to the genitals.
KI5 is one of 27 points on the Kidney Channel Meridian. Nearby points:
KI5 (Shuiquan) is located on the medial aspect of the foot, in a depression 1 cun directly inferior to Taixi (KI3), on the anterosuperior aspect of the calcaneus.
KI5 regulates menstruation, clears deficiency heat, benefits urination. Common clinical indications include irregular menstruation, amenorrhea, excessive menstruation, uterine prolapse, painful urination, dribbling urination, abdominal pain, heart pain below the chest after menses, dim vision, inability to see far.
Perpendicular insertion 0.3-0.5 cun.
KI5 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).