Right hand weakness is mainly seen in the following two diseases: first, cervical spondylosis, mostly seen in patients with long hours of heavy physical labor, patients mainly show discomfort in the back of the neck, shoulder soreness, upper limb numbness, for patients with severe nerve compression can appear muscle atrophy, upper limb weakness, no strength in the hand and other symptoms, if there is significant atrophy of the right hand large fissure, small fissure muscle, it is recommended to routinely check the cervical spine CT, cervical magnetic resonance, electromyography, to do Early diagnosis, early treatment. Second, acute cerebrovascular disease, mostly seen in middle-aged and elderly patients, can be clinically divided into cerebral hemorrhage and cerebral infarction, the patient’s right hand weakness starts more rapidly, often accompanied by dizziness, headache, numbness of the limbs, distorted eyes and mouth, slurred speech and other symptoms, cranial CT or cranial magnetic resonance examination can clarify the cause, the right hand weakness should not be paralyzed, it is recommended to go to the neurology department for consultation.