The numbness of the feet after drinking may be caused by keeping a posture for a long time after drinking, or it may be caused by the fluctuation of blood pressure induced by drinking, or the attack of lumbar spondylosis induced by sitting for a long time. 1. Keeping a posture for a long time after drinking: some people may experience peroneal nerve paralysis after drinking due to keeping a posture for a long time, thus experiencing numbness of the feet. 2. Drinking alcohol induced blood pressure fluctuations: after drinking alcohol, blood pressure may rise, causing changes in intracranial hemodynamics will appear foot numbness phenomenon. 3. Sedentary induced lumbar spondylosis: drinking will generally have the phenomenon of sedentary, for patients with lumbar spondylosis, sedentary may cause lumbar disc herniation aggravation, further stimulation of the sciatic nerve, there will be numbness of the feet phenomenon. Drinking alcohol foot numbness if the symptoms have not been relieved, it is recommended to go to the hospital in a timely manner, in accordance with the doctor’s advice to adopt the appropriate solution, in order to avoid affecting the health of the body. Normally, we should try to drink less or no alcohol, so as not to jeopardize the health of the body.