The arm muscle strain can be recovered through external application, braking and taking anti-inflammatory painkillers as prescribed by the doctor. 1. external: arm muscle strain within 72 hours, should do the local cold compress, in order to reduce local swelling, reduce capillary bleeding. 72 hours later can be changed to hot compresses, to promote the absorption of local hematoma, and promote the subsidence of swelling. 2. Brake: let the arm strain muscle is fully in the state of relaxation, avoid continuing activities, in order to promote the repair of traumatic tissue. 3. taking drugs: if the patient arm muscle strain site pain is obvious can be taken under the advice of the doctor anti-inflammatory drugs, such as diclofenac sodium, losoprofen sodium, etc., can effectively reduce the local inflammation, pain symptoms will be significantly relieved. After the arm muscle strain do not arbitrarily self-treatment, to the hospital in a timely manner, so as not to aggravate the injury.