Cupping is mainly sterilized through the use of 84 disinfectant, alcohol and boiling water. Cupping is sterilized to prevent cross-infection and other injuries to the body. It can be placed in 84 disinfectant solution and soaked for about 30 minutes to achieve effective sterilization, then rinsed and dried for spare. If there is blood and other dirt, you need to use alcohol to scrub and disinfect, and then placed in boiling water for about half an hour, high temperature can be effectively sterilized and disinfected, and then rinsed clean and dry standby. Cupping is the use of fire, pumping and other methods to make the cans were low air pressure, according to the principles of physics, high pressure to low pressure to move, it will make the cans adsorbed on the surface of the body and cause local blood stasis, so as to play the role of the Chinese medicine to activate the channels and collaterals, dispelling the wind and dispersing the cold, promoting blood circulation, swelling and pain relief and so on, applicable to the wind-cold-dampness paralysis, soft-tissue injuries, cold and flu, headache, cough and other diseases. It is recommended that cupping must be operated under the guidance of a professional physician, do not blindly, so as not to cause adverse effects.