Left shoulder pain in 60 year olds may be caused by physiological factors such as exertion, trauma, frozen shoulder and cervical spondylosis. 1. Physiological factors: 60-year-old people can cause lactic acid accumulation in the muscles of the left shoulder after overexerting themselves with their left arm, which can lead to left shoulder pain. 2. Trauma: Because 60-year-old people are prone to osteoporosis, when the patient suffers from trauma to the left shoulder joint, the patient suffers from fracture of the left shoulder joint or damage to the surrounding soft tissues, and left shoulder pain occurs. 3. Frozen shoulder: due to the long-term shoulder strain, cold and other factors caused by the 60-year-old man shoulder joint peripheral soft tissue of the aseptic inflammation, resulting in shoulder joint pain, restricted movement and other symptoms. 4. Cervical spondylosis: Due to the degeneration of cervical vertebrae of 60-year-old people, it is easy to cause cervical disc protrusion under external factors, which compresses the nerve roots innervating the upper limbs and causes pain, numbness and limited activities in the left shoulder joint. 60-year-old left shoulder pain may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.