Soreness in the arm when getting up may be due to the following reasons: 1, cervical spondylosis attack, especially mixed cervical spondylosis and neurogenic cervical spondylosis patients, can be in the process of bed rest, due to improper posture of the neck, nerve edema, the patient will show symptoms of arm soreness in the morning, and can be accompanied by upper limb strength weakening, after traction treatment and neck physiotherapy, soreness symptoms will gradually alleviate, or even completely disappear. 2, arm pressure, during sleep patients are used to sleep in the prone position or side sleep, so that one side of the arm is under constant pressure, blood circulation in the muscle is reduced, the level of tissue metabolism decreases, generating a large amount of lactic acid and other metabolic waste, accumulated in the muscle, stimulating the nerve, can also cause clinical symptoms of arm pain in the morning, after massage, hot compress treatment, the symptoms will disappear completely.