1) Acupoints selected: Baihui (GV20). Back and lumbosacral regions: Geshu (BL17), Shenshu (BL23), Guanyuanshu (BL26), Ciliao (BL32), Changqiang (GV1), Chengshan (BL57), Zusanli (ST36), Fenglong (ST40).
2) Manipulation: Hold the Guasha board, keep 45 degrees with the skin, and scrape the above acupoints. Baihui (GV20) should be scraped by digital pressing manipulation, acupoints on the back and lumbosacral regions should be applied with reducing manipulation, Zusanli (ST36) should be scraped with reinforcing manipulation. Select different acupoints and manipulations according to different asthenia and sthenic symptoms.