Cupping can leave cupping marks on the body, the local skin will also show different colors, different colors often suggest different physiological states and disease states, as follows: 1, if a healthy person after cupping will only leave can traces, skin color slightly red, and will soon return to normal color; 2, if the patient after cupping local appear blue-purple, often suggest local blood stasis, stasis of blood generation If the greenish-purple color is predominantly greenish-purple, it often results in cold clotting and blood stasis. If this greenish-purple color is accompanied by petechiae, petechiae, or even a blackish-purple color, it often indicates that the stasis of blood is heavy and deeper; 3. Therefore, the different colors of the skin after cupping can reflect the different physiological and pathological states of the body and help in the recognition of diseases.