The hazards of long-term use of moxibustion canisters usually include burns, etc., which need to be treated as soon as they are detected. Moxibustion cans of moxibustion is mainly through the heat of the moxibustion fire and moxa effect to prevent and treat diseases, usually on chronic weakness type of disease and wind, cold and dampness caused by the disease is good, but when the moxa cones pouring moxa ash off is very easy to scald the skin, especially the activities of those who are not easy to moxibustion should be more closely guarded in moxibustion is completed in the moxibustion should be timely to the remaining moxa completely extinguished, to prevent the rekindling of the. In addition, because the moxa is mainly made of mugwort, allergic to mugwort avoid using moxibustion.