The common causes of left shoulder pain at 60 years old are trauma, arthritis, frozen shoulder, cervical spondylosis and heart disease. 1. Trauma: Fracture of the left shoulder or dislocation of the shoulder joint due to accidental fall or impact, or strained left shoulder muscles during exercise can cause left shoulder pain. 2. Arthritis: Osteoarthritis or rheumatic and rheumatoid diseases caused by overwork and degenerative changes will lead to left shoulder arthritis, and the left shoulder area will be red, swollen, swollen and painful. 3. Frozen shoulder: 60 years old is the age of high incidence of frozen shoulder. It is because of dehydration and adhesion in the shoulder joint leading to shoulder joint pain and activity limitation. The left shoulder pain at the age of 60 occurs. 4. cervical spondylosis: patients with cervical spondylosis, often accompanied by nerve root compression, compressed nerves will cause limb pain, numbness, etc., the pain may radiate to the left shoulder. 60 years old is prone to cervical spondylosis caused by the symptoms of left shoulder pain. There may be other reasons for left shoulder pain at age 60, including angina and pleurisy involving the left shoulder, etc. It is recommended to go to the hospital in a timely manner to identify the cause of the disease and carry out standardized and targeted treatment.