Intersecting point: yin link vessel and conception vessel.

bubble_chart Etymology

"Lian" (廉), edge or tide; "quan" (泉), spring or water source. The acupoint is located near sublingual gland and is related to bodily fluids. It is also a place where "meridian qi emerges like a spring," hence the name. Located in the depression above hyoid bone, it is also known as "Sheben" (舌本, root of tongue) or "Benchi" (本池, root pool).

bubble_chart Location

Lianquan (CV23) acupoint
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "Below chin, above laryngeal prominence, below root of tongue".
• Waitai Miyao as "Between root of tongue".

bubble_chart Anatomy

• Muscles: mylohyoid muscle, geniohyoid muscle, tongue body.
• Nerve: lingual nerve, branches of hypoglossal nerve.
• Vessels: lingual artery and vein.

bubble_chart Manipulation

Insert obliquely toward the of tongue 0.5~1 cun, or insert separately toward both sides 0.5~1 cun. Moxibustion with moxa cone 3 to 5 times, moxibustion with moxa stick for 15 to 20 minutes.

bubble_chart Efficacy

Benefit throat and tongue.

• Classical: swelling and pain under tongue, difficulty swallowing, excessive salivation, mouth sores, stiff tongue, lockjaw, tightness at root of tongue, difficulty eating, hoarseness, aphasia, slurred speech, chest pain, cough, wheezing and frothy vomiting.
• Modern: pharyngitis, acute throat wind, globus hystericus, loss of voice, vocal cord disease, spasms of vocal cords, soft palate paralysis, pseudobulbar palsy, aphasia, hysteria, tonsillitis, acute parotitis.

bubble_chart Combinations

• Swelling under tongue with difficulty speaking and excessive salivation: Lianquan (CV23), Rangu (KI2), Yingu (KI10).
• Chest pain: Lianquan (CV23), Zhongfu (LU1).
• Swelling and pain under tongue: Lianquan (CV23), Zhongchong (PC9).