Myogenic damage refers to the damage of muscles. According to the etiology of muscle damage, common causes include trauma, hypokalemic periodic paralysis and polymyositis, etc. The treatments include physical therapy, medication and surgery. 1. Trauma: For mild muscle damage, braking and resting are enough. If there are muscle breaks and lacerations, surgical treatment is needed, and functional exercises should be actively carried out during the recovery period. 2. Low-potassium periodic paralysis: it can cause muscle damage, which can be relieved by potassium supplementation. 3. Polymyositis: It is an autoimmune disease with muscle weakness and myalgia as the main manifestation, and glucocorticosteroid treatment, such as prednisolone, is needed when the condition is severe. Myogenic damage may have other causes, such as dermatomyositis, etc., should be timely to the regular hospital, by the doctor according to the symptoms, signs and auxiliary examination to determine the specific cause of the disease, for the cause of the correct treatment, the above drugs need to be taken under the guidance of a doctor.