The water coming out of moxibustion generally belongs to sweat, but dampness can be expelled through sweat. Sweat is due to high temperature, the body in order to regulate the body temperature and produced by the liquid; dampness in Chinese medicine, mostly considered to be due to diet, climate and other reasons caused by excess dampness in the human body, dampness can be discharged through the spleen and stomach regulation, sweating and other ways, so moxibustion out of the general is due to the local temperature and sweat, and dampness may be accompanied by sweat discharge, but can not think that moxibustion sweat represents heavy dampness. Moxibustion is a kind of moxibustion method for acupuncture points in Chinese medicine, which is performed by burning moxa leaves or moxa strips to achieve the purpose of treating some diseases. Moxibustion has the function of warming Yang Qi, warming the meridians and opening the channels, which can strengthen the spleen and stomach by regulating the meridians and Yang Qi of the spleen and stomach, and the spleen and stomach have the function of transporting and transforming water qi, which can regulate dampness and help to expel dampness, so moxibustion can play a certain role in dispelling dampness. Patients with symptoms such as dizziness, drowsiness, fatigue, lack of energy, heaviness, coldness, chest tightness, etc., who have been diagnosed as having heavy dampness by a TCM practitioner, can get rid of dampness through moxibustion. It is generally believed that sweating during moxibustion is already effective, so there is no need to get too hung up on whether the discharge is sweat or dampness. In addition, if abnormal symptoms or aggravation of existing symptoms occur after moxibustion, such as coughing and diarrhea, it is generally a manifestation of the body’s discharge of dampness and can recover on its own, so there is no need to be too nervous. In addition, in the process of using moxibustion therapy, should pay attention to the moxa stick should not be too close to the skin, and should not be too long, easy to cause local skin burns. If the local skin is red, swollen or blistered, it may be caused by the high temperature of the local skin damage, if the area is large or can not be handled by themselves, you can promptly consult a doctor for corresponding treatment.