The effect of fire cupping on weight loss depends on the specific condition of the patient, the specific effect varies from person to person, and cannot be generalized, it should be identified by a professional physician before deciding whether or not to use fire cupping as a method of treatment. Fire cupping can regulate the function of the spleen and stomach, dredge the whole body qi and blood, etc. It has the effect of removing cold and dampness in the body and accelerating the operation of qi and blood. Obesity is mostly caused by a strong stomach and a weak spleen, which produces phlegm and dampness, leading to qi stagnation, blood stasis and internal heat congestion. Fire cupping can help to clear the stagnant meridians and remove the accumulation of water-dampness in the body, so it is helpful for those who have obesity with phlegm-dampness, qi-depression, blood stasis, etc. Although fire cupping is helpful for certain types of obesity, it can help to remove the cold-dampness from the body. Although fire cupping has some effect on certain types of obese patients, but the effect is relatively slow. Scientific lifestyle is the fundamental treatment of obesity, must be persistent, strict dietary control, adhere to the daily exercise, and exercise can only achieve good results with dietary control. Fire cupping has its indications and contraindications, should be carried out under the standardized operation of a professional physician, and should not be operated on its own to avoid accidents.