Selection of proper size with cans and comfortable will choose good tank top with piston ring the way in order to ensure that the ventilation will vacuum gun muzzle gently set of live with cans of top after the pistons vertical fast bars several times to cutem parts skin uplift the patient can tolerate for degrees cans in the body with adsorption after about to turn the negative pressure gun muzzle gently back light to press the piston in case a tank leakage; At the end of the treatment mention pot piston can each time to treatment for 10 minutes. In single player cannot directly cutem of parts (such as spinal waist) can use the connector.