Blood Sea point easy to take the method is to bend the knee 90 degrees, the left palm against the patient’s right upper edge of the kneecap, the 2nd to 5th finger straight up, the thumb and the other four fingers at 45 degrees, the tip of the thumb is the location of the Sea of Blood. The Blood Sea point is an acupoint on the Foot Taiyin Spleen meridian, specifically located 2 inches above the medial end of the patellar base, where the quadriceps muscle bulges on the medial side. Clinically, the Blood Sea point can be used to treat gynecological disorders such as irregular menstruation, amenorrhea, and dysmenorrhea; skin disorders such as eczema and salpingitis (an acute infectious disease in which the skin is seen to be red as if it has been coated with pigment); and lower limb disorders such as lower limb ulcers and knee osteoarthritis. Blood sea point can be acupuncture, massage and moxibustion, acupuncture should be operated by a professional doctor, moxibustion and massage need to be guided by a doctor.