When pain occurs in the muscles of the lower arm, it is important to first identify the specific cause and then provide aggressive treatment. If the muscle pain is caused by trauma, conservative treatment is available in most cases. Within 2 days of injury, intermittent cold compresses can effectively reduce bleeding, swelling and pain. After 2 days of injury, local hot compresses are applied to promote local blood circulation and facilitate the recovery of injured tissues. At the same time, it is also necessary to actively improve the examination, and if there are indications for surgery, actively carry out surgical treatment. Take oral anti-inflammatory and analgesic drug loxoprofen sodium, use topical flurbiprofen babu cream, and do not push and massage. If the pain is caused by septic infectious disease, anti-infective treatment with sensitive antibiotics is needed, while elevating the affected limb, and if pus is formed, incision and drainage can be performed. If the pain is due to strain caused by overwork, pay active attention to rest, use blood-activating Chinese herbs for hot compresses and scalding, appropriate acupuncture, massage, physiotherapy, oral medication to relieve muscle spasm ethylprednisolone hydrochloride, and, at the same time, symptomatic treatment.