Moxibustion long red rash may belong to the normal reaction of moxibustion, is considered to be the true yang yuan qi to repel the cold evil caused by, if the symptoms are serious, it is recommended to seek medical attention in a timely manner. Moxibustion is one of the external treatments of traditional Chinese medicine, usually using burning moxa cones or moxa sticks to produce heat to stimulate the human body acupuncture points or specific parts of the body to stimulate the body’s meridian qi, with the warmth of the meridian, supporting the yang fixed off (through the way of the great complementary yang qi to the treatment of prolapse type of disease) and other efficacy. Clinically, it includes direct moxibustion, indirect moxibustion, moxa moxibustion and other moxibustion methods, generally to the extent that the skin is red and feels warm. If moxibustion is needed, it should be done under the guidance of a professional physician. Some people may have a red rash after moxibustion, Chinese medicine believes that this belongs to the true yang yuan qi to repel the cold evil out of the clinical manifestations caused by the majority of patients with surface evil (in the muscle surface of the evil), generally do not need special treatment. However, if the symptoms are serious, it is recommended to consult a doctor in time to identify the cause of the disease and standardize the treatment.