Location:
When the knee is flexed, the acupoint is located 2 cun above the medio-superior border of the patella, on the bulge of the medial portion of m. quadriceps femoris. Or when the patient's knee is flexed, the doctor cups the right palm to the left knee of the patient with the thumb on the medial side and with the other four fingers directed proximally. The thumb forms an angle of 45° with the index finger. The acupoint is where the tip of the doctor's thumb rests (see Fig. 40).

Indications:
Chronic superficial gastritis, dysmenorrhea, metrorrhagia and metrostaxis, irregular menstruation, urticaria, eczema and tumescent pain of the knee joint.