It is normal to feel congestion and swelling in the head when you bend over. Because with the change of position and the effect of gravity, the blood will be concentrated to the head at this time, and after concentrating to the head when bending over, you will feel the feeling of congestion and swelling. Then if upright after getting up, this feeling will disappear. When we stand upright, if we also feel congestion and swelling in the head, we should be careful. Then we have to be careful if the patient has hypertension. At this time, we should give the patient a blood pressure measurement to see if his blood pressure is elevated. If the blood pressure is found to be high after several measurements, then we should consider whether the patient has hypertension.