Blisters from moxibustion may be caused by scar moxibustion, or by improper handling of spacer moxibustion, gentle moxibustion, too much fire, or residual fire burns. Scar moxibustion is to apply ginger juice locally to the acupoints, put the rubbed moxa cones on them, and after moxibustion, foaming and pus forming a scar to regulate the disease. Spacer moxibustion is between the moxa cones and acupuncture points separated by ginger, salt, etc., may be too thin because of the intermediate material leading to localized fire and blisters, mild moxibustion can also be too close to the skin and out of the blisters. Spacer moxibustion in the clip to replace the cones, mild moxibustion in the process of moving the residual fire fall, resulting in localized skin burns can also appear blisters. Therefore, when you need moxibustion treatment, you should go to the hospital, by a professional physician to carry out treatment operation, do not unauthorized treatment, in order to avoid adverse consequences.