Moxibustion blisters cause the following situations: 1, is due to moxibustion time is too long or moxa leaf amount is too large later, the whole bit of excessive moxibustion, will make the skin is damaged, causing skin blisters. This time to reduce the time of moxibustion, especially to spacing up, not every day for moxibustion. In addition, in the process of each moxibustion, to reduce the content of moxa leaves. 2, is a normal physiological reaction, mainly in the process of moxibustion will be the body inside the cold, damp evil out of the body, in the process of discharging the skin will appear blisters, called moxa flowers or moxa sores, this is the process of eliminating the evil and poisonous gas, belongs to the normal physiological reaction, continue moxibustion treatment can be.