Fascia gun mainly has these important parameters: first, amplitude; Second, frequency; Third, motivation. Fascia gun, also known as deep muscle fascia impactor, is a soft tissue rehabilitation tool, which relaxes the body soft tissue through high-frequency impact. Fascia gun can be understood as a civilian version of DMS (electric deep muscle stimulator), and its vibration frequency will change when used, and its basic function is similar to DMS. The use of fascia gun must pay attention to the methods. The first use of fascia gun needs to be under the guidance of professionals, and it is best to use it step by step, otherwise it will cause injury.