The black and purple color of fire cupping is considered to be a manifestation of blood stasis and cold in the body, which needs to be treated under the guidance of a doctor as soon as possible to avoid delaying the condition. Cupping belongs to the Chinese medicine treatment in a conventional treatment method, can play a certain dredging meridians and collaterals, dispel dampness and remove the role of cold, through the color of the skin after cupping to distinguish the disease, which is often black and purple skin blood stasis and cold manifestations of the body there is a condition of cold stagnation and stagnation of blood. It is recommended that patients should strengthen the warmth care during the fire cupping treatment to avoid catching cold, maintain a light and easy to digest diet, and eat more vegetables and fruits rich in vitamins and trace elements, such as green vegetables, oranges, apples and so on, to help the organism replenish nutrients and strengthen the body. Fire cupping needs to be operated by professional doctors to avoid adverse consequences.