Soreness and numbness of the right shoulder may be the manifestation of lesions caused by various organic diseases such as cerebrovascular diseases, cervical spondylosis, and so on, or it may be caused by physiological factors such as prolonged pressure. 1. Cerebrovascular disease: when patients suffer from cerebral infarction, transient ischemic attack, cerebral hemorrhage and other cerebrovascular diseases, due to insufficient blood supply to the brain tissue, ischemia, hypoxia, or even necrosis, the left side of the brain tissue is damaged or the nerve conduction bundles are damaged, which may cause numbness of the right side of the limbs, dyskinesia, paralysis and weakness, and the right shoulder may be sore and numb. 2. Cervical spondylosis: if the patient has cervical spondylosis, cervical spine disc herniation, osteophytes, etc. so that the nerves innervating the right shoulder are compressed, it may lead to the patient’s right shoulder numbness. 3. Physiological factors: If the patient’s right shoulder is under pressure for a long time, the blood circulation is not good, and the symptoms of right shoulder pain and numbness may appear. There may be other reasons for right shoulder numbness. It is recommended that patients go to the hospital in time, under the guidance of the doctor’s active treatment.