Patients often to the afternoon when the headache, the main consideration with the work, study environment, with the elevation of blood pressure and maxillary sinusitis related to the following: 1, with the patient’s work or study environment: for example, the patient’s work is more tense or in the environment is more noisy, air circulation is not good, as well as in the environment of the air is not too good, the temperature is relatively high, to the afternoon when people will have this headache, dizziness, brain swelling feeling; 2, elevated blood pressure: it is recommended that more blood pressure monitoring, if there is hypertension, it is recommended that the use of long term blood pressure medication to make blood pressure stable, brain swelling. Will have this kind of headache, dizziness, brain swelling feeling; 2, elevated blood pressure: it is recommended to monitor the blood pressure, if there is hypertension, it is recommended to use long-acting antihypertensive drugs, so that blood pressure is stable, which can improve the symptoms; 3, maxillary sinusitis: this situation can be clarified through the paranasal sinuses of the CT or magnetic resonance examination, the main treatment is to give anti-inflammatory treatment.