The drugs used to treat hypertension are as follows: 1) diuretics; 2) beta-blockers; 3) calcium antagonists; 4) angiotensin-converting enzyme inhibitors; 5) angiotensin II receptor antagonists. Due to seasonal changes, blood pressure is lower in summer when blood vessels are diffused, and higher in winter when blood vessels are constricted, so specific medication needs to be analyzed in combination with various factors, following scientific principles of medication, starting with small doses, reducing the types of medication as much as possible, and using antihypertensive drugs strictly according to the guidance of specialists.