A computer pain in the right shoulder, the possible causes are muscle strain, shoulder fasciitis, frozen shoulder and cervical spondylosis. 1. Muscle strain: Because in the process of using the computer, the posture of the neck and shoulders will remain relatively fixed, the neck and shoulder muscles have been kept in a tense state, resulting in the accumulation of lactic acid within the muscles, the discharge is reduced, muscle strain occurs, causing shoulder pain. 2. Shoulder fasciitis: due to the prolonged use of computers, so that the muscles for a long time excessive tension, spasm, in the muscles, fascial tissues to produce degeneration, hypertrophy, the formation of fibrous knots and caused by a computer with the symptoms of right shoulder pain. 3. Frozen shoulder: because in the process of using the computer, the right arm and shoulder joint activities are more frequent, prone to chronic strain, so that the local soft tissues, including muscles, tendons, ligaments, joint capsule, bursa, etc., aseptic inflammation, resulting in frozen shoulder pain. 4. Cervical spondylosis: may also be due to long-term low head computer, cervical disc degeneration, herniation, leading to the nerve root innervating the upper limbs of the nerve root pressure, shoulder, upper limb pain, numbness and other symptoms. A computer pain in the right shoulder may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.