Study of Therapeutic Effect of Electret Static Physiotherapy Film on Acute Soft Tissue Closed Injury

Inclusion Criteria: * Patients with acute soft tissue injury diagnosed by Western Medicine * Ability to communicate well with the researcher and comply with the requirements of the validation * Participants agreed to participate in the clinical validation and follow the validation program requirements, and signed the informed consent form Exclusion Criteria: * There are important organs (heart and lung) serious disease history, or have autoimmune disease history, such as rheumatism, SLE, or have a history of immune dysfunction, such as suffering from aids * Patients with cardiac pacemaker * Patients with open wounds * Pregnant and lactating women * Patients with history of mental illness * Participants participated in other medical device trials or drug clinical trials within three months * The researchers believe that the participants who are not eligible for clinical validation should be considered * Patients who need to be treated with drugs * Patients requiring physical therapy