The causes of arm pain include lactic acid buildup, cervical spondylosis, muscle strain, etc. General treatment, medication, surgery, etc. are needed to alleviate the pain. 1. For symptoms caused by lactic acid buildup, local massage can be used to relieve the pain after lactic acid is metabolized. 2. For the symptoms caused by cervical disc herniation, oral analgesics such as Loxoprofen and nutritive drugs such as methylcobalamin can be taken as prescribed by the doctor; decompression surgery can be chosen for patients who are not effective in non-surgical treatments. 3. For the symptoms caused by muscle strain, the activity should be stopped immediately, cold compresses, fixed with a bandage; such as tendon rupture, the need for timely surgical treatment. It is recommended to go to the regular hospital in time to see a doctor for the cause of the arm pain, under the guidance of the doctor for standardized treatment.