Location: This point is one of the important points on the bladder meridian of human foot. Chengshan point is located in the middle of the posterior leg, between Weizhong point and Kunlun point. When the calf is straight or the heel is lifted, a sharp corner depression appears under the gastrocnemius muscle.

Indications: beriberi, constipation and acute pain in waist and legs. There are also calf cramps (gastrocnemius spasm), foot fatigue, knee fatigue, low back pain, low back pain and so on.

2. Press Yongquan point when the foot cramps.

Location: The acupoint on the sole of human body is located at the first three points of the connecting line between the head end of the second and third toe seam and the heel, and at the depression in front of the foot, it is the lowest point of the whole body Shu point and the first point of the kidney meridian. Massage Yongquan point, commonly known as rubbing the soles of feet, is one of the health massage therapies with a long history.

Indications: Senile asthma, soreness of waist and legs, constipation, etc.

3. Press Zusanli point for daily maintenance.

Location: anterolateral calf, 3 inches under the nose of calf, one finger away from the front edge of tibia. Zusanli, one of the main acupoints of Zuyangming stomach meridian, is a big acupoint for strengthening the body.

Indications: Chinese medicine believes that massage Zusanli has the functions of regulating immunity, enhancing disease resistance, regulating spleen and stomach, invigorating middle energizer and benefiting qi, dredging meridians, expelling wind and dampness, and strengthening body resistance and eliminating pathogenic factors.