The right shoulder clicks when you move it may be caused by shoulder fracture, rotator cuff injury, frozen shoulder and so on. 1. Shoulder fracture: Shoulder fracture is mostly caused by direct or indirect violence, cumulative strain injury and other causes of bone integrity and continuity disruption. Patients mainly show symptoms such as shoulder pain and swelling, and some of them may have the situation that their right shoulder clicks when they move. 2. Rotator cuff injury: rotator cuff injury is mostly caused by trauma or repetitive motion, and the etiology of rotator cuff injury is mostly related to indirect violence and degenerative changes. The main manifestations are shoulder pain, activity limitation and other symptoms. 3. Frozen shoulder: Frozen shoulder is mainly a self-limited aseptic inflammation of soft tissues around the shoulder joint for unknown reasons, and the causes are mostly related to degenerative changes of soft tissues and long-term improper posture. When the patient has inflammation oozing out of the right joint, it may cause the right shoulder to click when moving. There are many causes of right shoulder clicking on movement, it is recommended to seek timely medical treatment and standardized treatment.