Right shoulder pain is alert to frozen shoulder, rotator cuff injury, shoulder joint chondritis, local myofasciitis and other diseases. 1. Frozen shoulder: it is a kind of self-limited aseptic inflammation of soft tissues around the shoulder joint for unknown reasons, its main age of onset is 40~70 years old, the incidence rate of women is higher than that of men, and the clinical manifestations include pain around the shoulder joint and activity limitation. 2. Rotator cuff injury: this disease is a common cause of pain around the shoulder and dysfunction of the shoulder joint, which often occurs in the repetitive movement of extreme abduction of the shoulder joint, such as freestyle swimming, weight lifting, baseball, racket sports, etc. The clinical manifestations include pain around the shoulder and limitation of activities. 3. Chondritis of shoulder joint: it refers to the inflammation of the cartilage of the shoulder joint and the soft tissues around the cartilage, usually associated with cartilage infection, trauma, wear and tear, etc. Clinical manifestations include pain in activities and swelling of the joint. 4. Localized myofasciitis: it is a common pain disease in clinic, also known as myofascial pain syndrome, which occurs in the neck, shoulder and lumbar back, etc. Clinical manifestations include localized muscle pain, activity limitation, and pain symptoms aggravated in the morning or when it is cold, etc. If there is any of the above conditions, it is recommended to go to a doctor as soon as possible. If the above conditions exist, it is recommended to go to the hospital as soon as possible, under the doctor’s examination to clarify the diagnosis and standardized treatment.