Cupping is a widely accepted method of health care treatment, if blisters appear after cupping, it may be caused by the following reasons: 1, the time to stay in the can is too long, as the time to stay in the can is getting longer, the blisters will get bigger, cupping is too tight, the pressure is too high, the water in the blood seepage gathered under the skin; 2, when cupping, the temperature of the can opening is too high, some people will also appear blisters; 3, individual differences, the body People with heavy dampness do not stay in the jar for very long, and blisters may appear. The appearance of small blisters at home properly coated with scalding cream to improve. If the blisters are relatively large, it is recommended to come to the hospital to be handled by a doctor. In addition, it is recommended to try to cupping in a regular hospital, the regular sterilization operation norms, to reduce the possibility of blisters and infection.