When you stand up after squatting and have a headache, consider that the speed of standing up too fast has something to do with it, which leads to cerebral vascular spasm and insufficient blood supply to the brain, so symptoms such as dizziness and headache appear. When the body stands up, the heart must send enough blood to the location of the brain, at this time the body coordination is not good, it will lead to a short period of insufficient blood supply to the brain, it will appear dizziness, headache symptoms. Usually you need to pay attention not to squat or sit for a long time, and when you get up you must get up slowly to change your posture. In addition, we should exercise more and ensure sufficient sleep to ensure good blood circulation in the body, so that this postural hypotension is less likely to occur, and usually pay more attention to the body.