The patient’s history, numbness symptoms and accompanying symptoms should be used to select the department to consult, as follows: 1, in general, if the foot is numb and accompanied by lumbar pain, commonly caused by lumbar disc herniation of the sciatic nerve compression stimulation caused by numbness in the foot, this situation should be registered orthopedics, followed by a CT or MRI to clarify the diagnosis, and further treatment. 2, if the patient has numbness in both feet and glove-like changes, it may be peripheral neuritis, and can be registered neurology or acupuncture. 2.If numbness occurs in both feet, and the change is glove-like, it may be peripheral neuritis, and can be registered with the Department of Neurology or the Department of Acupuncture. 3.If the patient has a history of diabetes, it is necessary to consult the Department of Endocrinology, which may be caused by diabetes numbness in the feet. 4.If numbness in the feet is accompanied by unfavorable movement of the ipsilateral limb, it may be caused by cerebrovascular disease. If the numbness is caused by cerebrovascular disease, it is necessary to consult the neurology department.