There are more reasons for shoulder lifting pain, which may be caused by physiological factors such as over-exercise, or pathologic factors such as trauma, rheumatoid arthritis and frozen shoulder. 1. Physiological factors: due to excessive exercise or heavy physical labor and other factors, causing excessive fatigue of shoulder and back muscles, excessive production of metabolic products in the body, resulting in accumulation of lactic acid, which can lead to the symptoms of shoulder lifting pain. 2. Trauma: Trauma can lead to soft tissue injury around the shoulder joint, dislocation of the acromioclavicular joint, fracture of the clavicle and so on, which can cause pain in lifting the shoulder, accompanied by localized swelling, subcutaneous bruising and impaired movement of the shoulder joint and other clinical manifestations. 3. Rheumatoid arthritis: mostly due to streptococcal infection, the formation of immune complexes, causing inflammatory reaction, which can cause pain when occurring in the shoulder joint, and pain when doing upward lifting movements. 4. Frozen shoulder: due to excessive activities, long-term muscle activity or poor posture and other reasons, causing chronic injury, degenerative changes in the tissues around the shoulder joint, resulting in limited activities, shoulder joint pain when lifting symptoms. Shoulder lifting pain can also be seen in other causes, it is recommended to consult a doctor in time, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or therapy.