For the management of cerebral hypovolemia, first of all, it is recommended that patients should pay attention to rest, especially for patients with cerebral hypovolemia caused by some anemia or blood volume deficiency, they must pay attention to rest, and at the same time, they should replenish sufficient fluids, and it is recommended that patients should drink more water appropriately, and if necessary, they can be given intravenous expansion and other treatments. For patients with cerebral blood supply deficiency caused by cerebral vasospasm, it is recommended to pay attention to rest, avoid anxiety, tension, anger and other factors that induce vasospasm, it is recommended that patients avoid spicy and stimulating foods in their diet, fresh vegetables and fruits are the mainstay, and keep the bowel movement smooth.