Common causes of arm meat pain include muscle strains and muscle strain, as follows: First, muscle strains: muscle strains can occur during strenuous exercise, and muscle strains can also occur during heavy physical labor. Patients will show pain, swelling and limited movement of the arm muscles, and the pain is more obvious when pressing. Second, muscle strain: continuous labor can cause muscle strain, and muscle strain can also occur when maintaining a fixed posture for a long time. Therefore, the patient will have local pain, restricted movement, and soreness and swelling when pressed. The symptoms of arm muscle pain can be relieved by heat treatment, local braking, rest, and oral administration of non-steroidal anti-inflammatory drugs, such as celecoxib and loxoprofen sodium. Patients should pay attention to the protection of arm muscles, avoid strain, cold and trauma, which can prevent the reappearance of painful symptoms in arm muscles.