The good thing about moxibustion is that it can warm the meridians and disperse cold (warm the meridians of the human body, get rid of the cold in the body), move the qi to promote circulation, etc.; the bad thing is that improper operation may cause burns, the formation of keloid scars (among them, keloid moxibustion will be scarred by the normal operation of keloid moxibustion, which will affect the skin’s aesthetics) and so on. Moxibustion has the effect of warming the meridians and channels, dispelling cold and evil, tonifying the deficiency and cultivating the root, promoting qi and blood circulation (promoting qi to make the blood flow), etc. It is often used to treat wind-cold and dampness paralysis (wind, cold and dampness three kinds of evil qi invade the human body to cause paralysis of the limbs), external wind-cold and cold and cold in the middle jiao, vomiting, diarrhea, spleen and kidney yang deficiency (deficiency of yang qi in the spleen and the kidneys), leading to urination, spermatorrhea, impotence, etc. The main use of warm stimulation is to stimulate the body, and then the body is heated up. Moxibustion is mainly used to treat diseases by warm stimulation, and is generally not suitable for people with external warm diseases, yin deficiency, or solid heat. Improper handling of moxibustion may cause burns, scarring, etc. It may also cause localized itching, rashes, etc. It may also cause the patient to become inflamed, with a dry mouth and fever. It is recommended that patients in need of treatment under the guidance of a doctor.