The name of Ququan acupoint, "Qu", is also hidden. Spring, spring water. The name of this acupoint refers to the gathering of water, dampness, and cloud qi in the liver meridian. The substance of this acupoint is the water dampness qi transmitted from the knee acupoint, which accumulates after reaching this acupoint. A large amount of water dampness is hidden in the sky, hence the name "Qu Quan acupoint".

[Meridian Orientation]
Guijing: Belongs to the Foot Jueyin Liver Meridian.
Positioning: Located on the inner side of the human knee, bending the knee, at the inner end of the knee joint, at the posterior edge of the medial condyle of the femur, and at the anterior edge depression of the semitendinosus and semimembranous muscles. (Knee flexion, concave above the transverse crease on the inner side of the knee)
【 Functional Indications 】
Function: Soothing the liver and regulating qi, regulating menstruation and stopping menstruation.
Indications: 1. Reproductive system diseases: Treatment of uterine prolapse, vaginitis, prostatitis, nocturnal emission, impotence, vaginal discharge, postpartum abdominal pain, impotence, menstrual disorders, dysmenorrhea, etc; 2. Urinary system diseases: poor treatment of urination, nephritis, etc; 3. Neurological diseases: treating mental illnesses, dizziness, and pain in the eyes; 4. Digestive system diseases: treating diarrhea, dysentery, and poor appetite; 5. Other diseases: swelling and pain in the knee and patella, lower limb paralysis, treatment of knee joint and surrounding soft tissue diseases, bleeding, blood pressure lowering, etc.
Clinical application
1: Ququan acupoint combined with Qiuxu acupoint and Yanglingquan acupoint to treat biliary tract diseases.
2: Ququan acupoint combined with Ganshu acupoint, Shenshu acupoint, Zhangmen acupoint, Shangqiu acupoint, and Taichong acupoint to treat hepatitis.
3: Ququan acupoint combined with Fuliu acupoint, Shenshu acupoint, and Ganshu acupoint is used to treat dizziness and eye disease caused by liver kidney yin deficiency.
4: Ququan acupoint combined with Zhigou acupoint and Yanglingquan acupoint is used to treat abdominal pain, breast swelling pain, and hernias.
5: Ququan acupoint combined with Guilai acupoint and Sanyinjiao acupoint is used to treat dysmenorrhea and menstrual disorders caused by liver depression and qi stagnation.
Ancient records: small abdominal pain, diarrhea, nocturnal emission, impotence, yin pain, yin stiffness, yin itching, difficulty urinating, urinary incontinence, decadent hernia, female hernia, dizziness and pain, lack of appetite, yin and thigh pain, knee and tibia pain, body heat and sweat retention, madness.