The benefits of fire cupping include dredging the meridians, dispersing cold and removing dampness, regulating yin and yang, supporting the positive and dispelling the evil (supporting the positive qi in the body and dispelling the evil qi in the body), and the disadvantages include the emergence of infections or aggravation of the original disease, and the inability to get rid of acne. When cupping, through warm stimulation and negative pressure attraction, it stimulates the acupoints on the surface of the body and the meridians and skin of the body, which has the effect of dredging the meridians, dispelling cold and removing dampness. And because the surface of the body through the meridian points connected to the five organs, so you can also regulate the yin and yang of the internal organs, support the positive and eliminate evil, but cupping can not get rid of acne. Cupping, such as cupping time is too long or the mouth of the can is too hot, blisters may appear, improper treatment will be infected and so on. Of course, not all patients are suitable for fire cupping, such as blind fire cupping without indications, may aggravate the original condition. If patients have the need for fire cupping, they should go to the hospital and be operated by a professional doctor, do not do it by yourself to avoid adverse consequences.