The main treatments for myositis are medication and general therapy. Drug therapy mainly includes treatment with glucocorticoids and immunosuppressive agents. Most patients need to use hormone therapy, the course of hormone therapy is longer, and the early adequate use needs to be gradually reduced, and then maintained in small doses. Some patients need to be treated with a combination of immunosuppressive agents, such as methotrexate, cyclophosphamide and azathioprine. General treatment includes bed rest in the acute stage, passive movement of the affected limbs to prevent muscle atrophy, appropriate exercise after symptom control, high-calorie, high-protein diet, and avoidance of infection. Myositis mainly includes polymyositis, dermatomyositis, etc., belonging to autoimmune diseases, the main symptoms of myositis are muscle weakness, muscle pain, pressure pain, etc., after the appearance of these symptoms, please go to the hospital in a timely manner, for a detailed examination, and according to the degree of severity of the patient’s condition to formulate an individualized treatment plan.