KI8 Jiaoxin

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

KI8 (Jiaoxin, “Jiaoxin”) is the Xi-Cleft point of the Yin Qiao Mai point of the Kidney Channel Meridian. It is located on the medial aspect of the lower leg, 2 cun superior to the prominence of the medial malleolus, in a depression on the posterior border of the tibia, anterior to the Kidney channel's main line at Fuliu (KI7). It regulates the menses and stops bleeding, clears heat and drains dampness from the lower jiao, regulates the Yin Qiao channel, calms the spirit.

Location

On the medial aspect of the lower leg, 2 cun superior to the prominence of the medial malleolus, in a depression on the posterior border of the tibia, anterior to the Kidney channel's main line at Fuliu (KI7).

Needling

Perpendicular insertion 0.5 to 1.0 cun.

TCM functions

Regulates the menses and stops bleeding, clears heat and drains dampness from the lower jiao, regulates the Yin Qiao channel, calms the spirit..

Indications

Irregular menstruation, amenorrhea, uterine bleeding, uterine prolapse, genital itching, genital pain, hernia, testicular pain and retraction, difficult urination, urinary retention, painful urinary dysfunction (lin syndrome), diarrhea, constipation, pain in the inner thigh, night sweats, abdominal pain..

Xi-Cleft point of the Yin Qiao Mai

Clinical notes

Jiaoxin is the Xi-Cleft point of the Yin Qiao Mai, making it a critical point for acute conditions related to the urogenital system and lower abdomen. It is particularly effective for menstrual disorders such as dysmenorrhea, irregular cycles, and abnormal uterine bleeding. Its ability to regulate the waterways also makes it a key choice for various urinary issues, including painful or difficult urination and hernia.

On the Kidney Channel channel

KI8 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI8 located?

KI8 (Jiaoxin) is located on the medial aspect of the lower leg, 2 cun superior to the prominence of the medial malleolus, in a depression on the posterior border of the tibia, anterior to the Kidney channel's main line at Fuliu (KI7).

What is KI8 used for?

KI8 regulates the menses and stops bleeding, clears heat and drains dampness from the lower jiao, regulates the Yin Qiao channel, calms the spirit. Common clinical indications include irregular menstruation, amenorrhea, uterine bleeding, uterine prolapse, genital itching, genital pain, hernia, testicular pain and retraction, difficult urination, urinary retention, painful urinary dysfunction (lin syndrome), diarrhea, constipation, pain in the inner thigh, night sweats, abdominal pain.

How is KI8 needled?

Perpendicular insertion 0.5 to 1.0 cun.

Which meridian is KI8 on?

KI8 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).

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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.