If the headache occurs after staying in the room for a long time, it is considered that the room is closed and not well ventilated. 1. Patients can go to a better ventilated place to breathe fresh air and the headache will be relieved; 2. In addition, it is related to the individual’s physique. After the increase, the headache will not appear after staying in the room for a long time. Patients should not eat too much spicy and irritating food or drink alcohol, as these will lower the body’s resistance.