The red marks after cupping can generally subside in about 3~7 days, the specific time needs to be decided according to the operation method of cupping and the degree of qi and blood stagnation in the body. If the stagnation of qi and blood is not serious and the cupping time is not long, the color of red marks after cupping is not particularly dark, and the fading time will be shorter; if the stagnation of qi and blood is serious and the color of red marks after cupping is darker, the fading time may be longer. If there is discomfort after cupping, you need to go to a physician for diagnosis. Cupping therapy is suitable for shoulder and back pain, lumbar and leg pain, stomach pain, cough, carbuncle gangrene (a kind of poisonous sores, acute suppurative disease occurring on the surface of the body, limbs, internal organs) at the beginning of the disease and other conditions. Cupping can have the effect of relieving tendons and activating collaterals (stretching the tendons and bones, dredging the meridians and channels), and clearing the blood and qi, and can improve symptoms such as joint pains, colds, as well as lumbar and back pains. Cupping is contraindicated in cases of acute serious diseases, skin allergies, skin ulcers, thrombocytopenic purpura, leukemia, hemophilia and other bleeding disorders, and acute traumatic fractures. Cupping needs to be operated by a professional Chinese medicine practitioner to avoid adverse consequences.