The moxa stick should not be smoked in the room, when the person is sleeping. To smoke the room, it is best to smoke the room an hour before going to bed, so that the harm to the human body will be reduced to a minimum. The process of burning moxa will produce a large number of toxic volatile oil, very easy to cause changes in the human skin mucosa and even allergies, so that people’s central nervous system excitement, serious will make people appear convulsions, not conducive to sleep is also not good for health. Therefore, after smoking the room with moxa, wait until its harm is reduced before you can go to bed. Moxa smoked room has certain benefits, such as the body can unblock the meridians, treatment of cold, for the room can be disinfected, sterilization, have a certain effect.