REN23 Ridge Spring

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

REN23 (Lianquan, “Ridge Spring”) is the Window of the Sky point of the Conception Vessel Meridian. It is located on the anterior midline of the neck, in the depression superior to the hyoid bone. It benefits the tongue and throat, regulates Qi, clears heat.

Location

On the anterior midline of the neck, in the depression superior to the hyoid bone.

Needling

Oblique insertion superiorly towards the root of the tongue 1-1.5 cun.

TCM functions

Benefits the tongue and throat, regulates Qi, clears heat.

Indications

Aphasia, salivation, swelling and pain of the throat, difficulty swallowing.

Window of the Sky

Clinical notes

Ren23, 'Ridge Spring', is a crucial Window of the Sky point, renowned for its ability to benefit the tongue and throat. It is the primary point for speech disorders, such as aphasia, stuttering, and loss of voice, as well as throat conditions like swelling, pain, and difficulty swallowing. Its classification as a Window of the Sky point highlights its influence on sensory organs and the connection between the head and body, making it effective for clearing heat and regulating Qi in this region.

On the Conception Vessel channel

REN23 is one of 24 points on the Conception Vessel Meridian. Nearby points:

Frequently asked questions

Where is REN23 located?

REN23 (Lianquan) is located on the anterior midline of the neck, in the depression superior to the hyoid bone.

What is REN23 used for?

REN23 benefits the tongue and throat, regulates Qi, clears heat. Common clinical indications include aphasia, salivation, swelling and pain of the throat, difficulty swallowing.

How is REN23 needled?

Oblique insertion superiorly towards the root of the tongue 1-1.5 cun.

Which meridian is REN23 on?

REN23 is a point on the Conception Vessel Meridian (Rèn Mài).

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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.