KI6 Shining Sea

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

KI6 (Zhaohai, “Shining Sea”) is the Confluent of Yinqiao point of the Kidney Channel Meridian. It is located on the medial aspect of the ankle, in the depression inferior to the medial malleolus. It nourishes Yin, benefits the throat, calms the spirit.

Location

On the medial aspect of the ankle, in the depression inferior to the medial malleolus.

Needling

Perpendicular insertion 0.3-0.5 cun.

TCM functions

Nourishes Yin, benefits the throat, calms the spirit.

Indications

Insomnia, sore throat, dry mouth, irregular menstruation, epilepsy.

Confluent of Yinqiao

Clinical notes

KI6 is the confluent point of the Yinqiao Mai (Yin Motility Vessel) and a master point for nourishing Kidney Yin, making it indispensable for conditions like insomnia, dry throat, and chronic sore throat due to Yin deficiency. It is also a key point for gynecological issues, especially irregular menstruation and leukorrhea. Its connection to the Yinqiao Mai allows it to regulate sleep and calm the spirit, often paired with LU7 for throat and sleep disorders.

On the Kidney Channel channel

KI6 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI6 located?

KI6 (Zhaohai) is located on the medial aspect of the ankle, in the depression inferior to the medial malleolus.

What is KI6 used for?

KI6 nourishes Yin, benefits the throat, calms the spirit. Common clinical indications include insomnia, sore throat, dry mouth, irregular menstruation, epilepsy.

How is KI6 needled?

Perpendicular insertion 0.3-0.5 cun.

Which meridian is KI6 on?

KI6 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.