Points: ① Dazhui (Ren 14), Ganshu (BL 18) and Pishu (BL20); ② Shendao (CV 11), Danshu (BL19) and Weishu (BL21).
Technique: Sterilize the points with routine asepsis, and then prick them with a three-edged needle, and apply cupping to cause bloodletting. Retain the cups for 10 to 15 minutes. Only one group of points is used once every other day.