There is no food that can open the blood vessels for numbness of hands, and reasonable treatment is chosen according to the cause of the disease, for example, thrombolytic therapy is given in the hyperacute stage of cerebral infarction; cervical spondylosis should be given manipulative therapy, physical therapy, etc.; diabetic peripheral neuropathy is given akaposan and other drugs to adjust blood sugar. 1. Cerebral infarction: in the hyperacute stage of the disease, thrombolytic therapy with drugs such as reteplase and alteplase should be given according to the doctor’s prescription, and the blood vessels will be recanalized after the success of thrombolytic therapy. 2. Cervical spondylosis: when the guardian nerve root is compressed, there will be numbness of the hand. There is no method to open the blood vessels in this disease, and the symptoms are mainly improved by manipulation therapy and physical therapy. 3. Diabetic peripheral neuropathy: it is mainly caused by the impaired function of peripheral nerves, and the numbness can be improved mainly by adjusting blood sugar, such as insulin, acarbose, dagliflozin and other medicines; and by nutritive nerves of methylcobalamin, adenosylcobalamin and other medicines. When the hand numbness should be timely to the hospital outpatient consultation, do not blindly deal with their own, to avoid delay or aggravate the condition.