Numbness in the hands and face of young people is mainly seen in the following conditions, as follows: I. Cervical spondylosis: young people who have been in a posture caused by cervical disc herniation for a long time may experience numbness in the hands and face. Second, demyelinating lesions: young people with numbness of the hands and face, ask the patient whether the numbness is persistent or intermittent, whether there is recurrence or remission, whether there is dizziness, dizziness, etc. It is necessary to conduct cranial and cervical magnetic resonance examination to understand whether there are demyelinating lesions. Third, the history of tuberculosis: young people with numbness in the hands and face, we should ask the patient whether there is a history of tuberculosis, whether there is long-term oral anti-tuberculosis drugs, such as isoniazid, which may cause damage to the peripheral nerves, and the numbness of the hands and face. Four, long-term exposure to lead, mercury and other substances: young people with numbness in the hands and face, ask the patient’s work environment, whether there is long-term exposure to lead, mercury and other substances, which can cause peripheral nerve lesions.