KI12 Great Bell

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

KI12 (Dazhong, “Great Bell”) is an acupuncture point on the Kidney Channel Meridian. It is located on the abdomen, 1 cun inferior to the umbilicus, 0.5 cun lateral to the midline (Ren7). It strengthens the Kidneys, regulates the lower jiao, calms the spirit.

Location

On the abdomen, 1 cun inferior to the umbilicus, 0.5 cun lateral to the midline (Ren7).

Needling

Perpendicular insertion 0.8-1.2 cun. Caution: bladder if full.

⚠ Have the patient void first — do not needle a full bladder.

TCM functions

Strengthens the Kidneys, regulates the lower jiao, calms the spirit.

Indications

Urinary retention, hernia, lumbar pain, impotence, mental disorders.

Clinical notes

KI12 is a significant point for strengthening the Kidneys and regulating the lower jiao, particularly useful for issues related to the uterus and bladder. It is often employed for irregular menstruation, infertility, and urinary dysfunction due to Kidney deficiency. While not a Yuan-source point, it has a strong tonifying effect on Kidney Qi and Yin, and is sometimes used to calm the spirit in cases of anxiety stemming from Kidney Yin deficiency.

On the Kidney Channel channel

KI12 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI12 located?

KI12 (Dazhong) is located on the abdomen, 1 cun inferior to the umbilicus, 0.5 cun lateral to the midline (Ren7).

What is KI12 used for?

KI12 strengthens the Kidneys, regulates the lower jiao, calms the spirit. Common clinical indications include urinary retention, hernia, lumbar pain, impotence, mental disorders.

How is KI12 needled?

Perpendicular insertion 0.8-1.2 cun. Caution: bladder if full. Caution: ⚠ Have the patient void first — do not needle a full bladder.

Which meridian is KI12 on?

KI12 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).

Interactive body mapConditions & evidenceFind an acupuncturistTCM glossary
⚠️ 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.