Whether the dosage of hypertension medication should be halved in summer should be formulated according to the patient’s blood pressure level, and the specific treatment plan should be in accordance with the doctor’s prescription. The human body’s blood pressure will fluctuate with the change of seasons, some patients in the summer time due to the hot weather, peripheral blood vessel expansion, continue to orally take the original dose of antihypertensive drugs, may lead to blood pressure is too low, can be appropriate to reduce the dose of antihypertensive drugs, but the specific adjustment of the dose should be based on the level of blood pressure to formulate the specific program to follow the doctor’s instructions. Not all hypertensive patients will have a drop in blood pressure in the summer, seasonal changes should pay attention to strengthen the monitoring of blood pressure, blood pressure with the seasonal changes in patients, to adjust the dose of drugs in a timely manner, no significant changes in blood pressure patients do not need to adjust the dose of antihypertensive drugs. Patients with high blood pressure should pay attention to the fluctuation of blood pressure in the course of treatment and adjust the treatment in time under the guidance of physicians.