Dermatomyositis is usually incurable, and there are no specific drugs that can cure dermatomyositis. The exact cause of dermatomyositis is not very clear, may be related to multiple factors lead to immune disorders, belong to the chronic autoimmune disease, at present there is no cure for dermatomyositis of special drugs, usually apply glucocorticoids and immunosuppressant to control the condition, so dermatomyositis can not be cured. Although dermatomyositis cannot be cured, if the patient is detected at an early stage and treated as soon as possible, the symptoms can be relieved and the condition can be maintained in remission for a long period of time, so that the patient can carry on a normal life and work. In conclusion, dermatomyositis is usually incurable and requires lifelong treatment. It is recommended that patients with dermatomyositis go to the hospital in time and follow the doctor’s instructions to avoid delaying their condition.