Arm strain pain is mostly caused by muscle strain. Physical therapy, oral medication and other conservative treatments can be taken, and surgery is required in severe cases. 1. Physiotherapy: After excessive weight bearing on the arm, resulting in pain from strain, you should stop the activity immediately and take proper rest. Physical therapy can also be used to apply cold compresses, massage and other treatments. Effectively improve local blood circulation, relieve arm pain. 2. Medication: If the arm pain is severe and unbearable, you can take non-steroidal anti-inflammatory drugs, such as celecoxib and other drugs under the guidance of a doctor to relieve arm pain. 3. Surgical treatment: If the muscle is seriously strained, resulting in arm muscle fiber and ligament rupture, then need to perform surgical treatment. If there is pain in the arm labor injury, it is recommended to consult a doctor in time to clarify the severity before treatment.