Dizziness from the treadmill is considered to be caused by ischemia and hypoxia of brain tissue. Dizziness after prolonged or strenuous treadmill exercise is mostly caused by ischemia and hypoxia of brain tissue due to elevated blood pressure and excessive vasoconstriction. It may also be caused by ischemia and ischemia of brain tissue due to insufficient circulating blood volume caused by more sweating after running. From the treadmill down with dizziness symptoms suggest that patients should pay attention to rest, avoid excessive exercise. If the symptoms continue to be unrelieved, the patient should consult the neurology department and other related departments of the regular hospital in time. Under the guidance of professional physicians to improve the relevant auxiliary examination, clear causes and exclude organic diseases and give standardized treatment, so as to avoid delaying the condition.