The right hand is numb mainly due to cervical spondylosis, carpal tunnel syndrome, diabetes, cerebrovascular accidents, etc. 1, cervical spondylosis patients, most of the past bad sleeping posture and prolonged low head work, playing cell phone habits, due to nerve root pressure leads to numbness in the right hand, cervical spine magnetic resonance can be diagnosed. The patient’s right hand is numb due to nerve root compression. 4, cerebrovascular accidents, such as cerebral hemorrhage, cerebral infarction, etc., will appear right hand numbness and abnormal movement of the limbs, need further head CT to understand the situation and active treatment.