The symptoms of numbness in both hands are mostly caused by insufficient blood supply to the ends of the limbs or nerve tissue compression, the common cases are mainly the following: 1, poor sleeping posture, if the sleeping posture is incorrect, compression of the arm vessels or nerves can cause insufficient blood supply to the ends of the limbs, the symptoms of numbness in both hands, the patient gets up and moves the limbs, the symptoms of numbness in the fingers can be relieved, without 2, cervical spine disease, cervical spine disease is the main disease that causes numbness in both hands, caused by long-term sedentary, poor sitting posture, cervical spine disease compression of the nerve in the arm can cause symptoms of numbness in both hands. 3, cerebrovascular disease, cerebrovascular disease, including cerebral infarction, cerebral hemorrhage, etc., can cause numbness in the limbs and other uncomfortable symptoms, the symptoms of numbness in both hands, as soon as possible to the hospital for examination, to prevent the emergence of cerebrovascular disease.