Headache and shoulder pain may be caused by physiological factors such as improper sleeping position and lack of sleep, or considered to be caused by cervical spondylosis, trauma and other diseases. 1. Physiological factors: If the patient sleeps in an inappropriate position, lack of sleep, work pressure, may lead to mental fatigue and shoulder pain and other symptoms, manifested as headache and shoulder pain. 2. Cervical spondylosis: The causes of cervical spondylosis include cervical degeneration, cervical developmental spinal stenosis, chronic strain, and sudden impact. Common symptoms are numbness of limbs, neck and back pain, dizziness, headache, etc. Some patients may have headache and shoulder pain. 3. Trauma: If the patient accidentally fell, hit the head and shoulder and other parts, headache and shoulder pain may occur. There are many reasons for headache and shoulder pain, so we suggest patients to go to regular hospitals so as to clarify the cause of the disease and take treatment measures. Once the diagnosis is confirmed, you need to actively cooperate with the doctor to take relevant treatment measures, so as to avoid delaying the condition, which is not conducive to the recovery of the disease.