Right shoulder pain in women is usually not a sign of serious illness, and is mostly considered to be caused by frozen shoulder, cervical spondylosis, muscle strain, respiratory diseases and cholecystitis. 1. Frozen shoulder: It is the most common disease that can cause shoulder pain due to aseptic inflammation of the shoulder joint. 2. Cervical spondylosis: the herniated cervical intervertebral disc compresses the nerve root, resulting in nerve conduction malfunction and pain. 3. Muscle strain: due to improper sleeping or sitting posture and heavy physical labor, shoulder muscles can be strained or strained, resulting in shoulder pain. 4. Respiratory system diseases: such as lung cancer, etc., which can pull on the lungs and cause localized pain. 5. Cholecystitis: part of cholecystitis can cause radiating pain in the shoulder, which is also one of the common causes. Shoulder pain is not necessarily a sign of disease, need to consult a doctor in time for examination.