In actual clinical practice, if a pregnant woman has a history of hypertension, the preferred antihypertensive drug is methyldopa, in addition to other antihypertensive drugs that do not affect pregnancy are nifedipine tablets and labetalol, which are the three types of drugs recommended clinically for pregnant women to take to reduce blood pressure and will not cause malformations in the newborn, and the damage to the pregnant woman and the child is minimal, which is precisely why they are the preferred antihypertensive drugs This is the reason why they are the preferred antihypertensive drugs. However, while taking antihypertensive drugs, we must pay attention to the combination of lifestyle interventions, pay attention to more relaxation, and also pay attention to a low-salt, low-fat diet, to control the rate of weight gain, because blood pressure is often proportional to weight, the larger the weight base, the higher the patient’s blood pressure will be, in addition to life improvement, and then combined with the actual blood pressure situation to adjust the dosage of drugs taken As well as the type of adjustment to be made according to the actual situation.