The treatment of shoulder muscle strain mainly includes rest, physical therapy, medication, functional exercise and so on. 1. Rest: When shoulder muscle strain occurs, the affected shoulder can be properly rested and braked, so that the strained muscles can be fully relaxed, so as not to aggravate the symptoms with excessive load. 2. Physiotherapy: it mainly includes physiotherapy, hot compress, massage and other treatment methods, which can promote local blood circulation to accelerate the inflammation to subside and relieve the symptoms of shoulder pain. 3. Medication: If the patient’s pain is serious, according to the patient’s condition, local or oral non-steroidal anti-inflammatory drugs, blood circulation and blood stasis medication can be used to reduce the inflammatory stimulus and promote recovery. 4. Functional exercise: Appropriate functional exercise can maintain the mobility of the shoulder joint, avoid muscle atrophy, and help the recovery of shoulder joint function. It should be noted that no matter what kind of treatment method is adopted by the patients, they should standardize the treatment under the guidance of the doctor and strictly prohibit the private use of drugs to avoid the adverse consequences.