Left shoulder pain may be caused by trauma, chronic inflammation, rheumatism and other conditions, generally can be treated by physical therapy and related drugs. 1. If the pain is caused by trauma to the joints, it can be relieved by local physical therapy, relaxing the soft tissues around the joints and the joints themselves through manipulative massage, assisted by local hot compresses, acupuncture, plasters and other ways, all of which can achieve a certain therapeutic effect. 2. In case of chronic inflammation of joints, in addition to physical therapy, non-steroidal analgesics, such as celecoxib, ibuprofen, acetaminophen, etc., can be taken orally under the guidance of a physician. 3. If the rheumatism is aggravated by cold or infection, regular anti-rheumatic treatment is needed to control the original disease. Therefore, if the symptoms of left shoulder pain occur, it is recommended to consult a doctor in a timely manner, under the guidance of a physician to determine the diagnosis of the relevant examination, and carry out targeted treatment.