There are many reasons for patients’ dizziness and foot weakness: 1. If patients’ dizziness persists, it may be neurological lesions, such as cerebral arteriosclerosis, cerebral ischemia, cerebral infarction, etc. 2. If patients usually have bad rest, vegetative nerve dysfunction, anxiety and depression, they may easily have somatization symptoms, which may be manifested as dizziness and foot weakness. 3. If patients have acute gastroenteritis because of vomiting and diarrhea which leads to internal environment disorder and ionic disorder, they may also have this symptom during colds. 4. 3, if the patient has acute gastroenteritis, because of vomiting, diarrhea caused by internal environmental disorders, ionic disorders, will also be manifested as dizziness, foot weakness, during the cold will also have this symptom. 4, if the patient application of drugs, such as streptomycin, neomycin, gentamicin can lead to the patient to appear dizziness, foot weakness of the adverse reactions.