Cupping is to remove the air inside the canister through burning, suction, etc., resulting in negative pressure inside the canister, so that the canister is adsorbed on the surface of the body, or acupoints. There are many different types of cans commonly used, such as glass cans, bamboo cans, ceramic cans, etc. Cupping is used to stimulate the skin through the negative pressure inside the cans, which plays a role in preventing diseases and health care. Fire cupping is the most commonly used method of cupping, using the heat of the burning flame, burning the air inside the tank to form a negative pressure inside the tank. Specific methods include casting fire, flashing fire, dropping wine, sticking cotton and other methods. There are many kinds of cupping methods, commonly used is to stay cupping, after cupping to stay in the area for 10 to 15 minutes, and then the cans up and down. There are also different cupping methods such as walking cupping, flash cupping, needle cupping, blood cupping and medicine cupping. It is recommended that cupping be done under the guidance of a professional doctor.