Cupping should be carried out in the morning, without being full or hungry, and without drinking alcohol. Cupping has the effect of dredging the meridians and channels, dispersing cold and removing dampness, and can be used to treat lumbago and headache caused by heavy dampness. In the morning, when Yang Qi is born, cupping can enhance the therapeutic effect, thus promoting the circulation of blood and fluid. In addition, cupping should be carried out in the case of not full and not hungry, not drinking alcohol, avoid excessive fatigue in the body, too full and too hungry in the case of cupping, otherwise there will be the risk of fainting cans. It should be noted that the process of cupping should pay attention to keep warm, avoid wind and cold. Try not to take a bath within 1 hour after cupping, otherwise it is easy to let the wind and cold invade and cause cold and flu. The adverse reactions and contraindications of cupping are not clear, skin ulcers, bleeding tendency is prohibited, pregnant women, weak people should be cautious. If you need cupping treatment, it is recommended to go to regular hospitals for treatment, and not blindly cupping on your own to avoid aggravating your condition.