Shoulder pain like pins and needles may be caused by abnormal nerve discharge, cervical spondylosis, frozen shoulder and other reasons. 1. Abnormal nerve discharge: Nerves are abnormally discharged due to compression of the nerve root for various reasons. There will be radiating pain in the area dominated by the nerve root, which may cause the phenomenon of stabbing pain in the shoulder like pins and needles. 2. Cervical spondylosis: It may be caused by degenerative changes, chronic wear and tear, etc. The lesions may compress the nerves, and the pain like pins and needles may radiate to the shoulders. 3. Frozen shoulder: aseptic inflammation of the shoulder joint caused by long-term over-activity and poor posture. Due to the stimulation of inflammation, when the shoulder joints move, the nerves of the muscles will be stimulated, and the phenomenon of shoulder pain like pins and needles will occur. Shoulder pain like pins and needles may also be caused by other reasons, such as myofasciitis, etc. It is recommended to go to the hospital in time, and standardize the treatment under the guidance of the doctor.