If a patient develops hypertension during pregnancy and the blood pressure does not reach the standard after reasonable lifestyle interventions, then antihypertensive medications can be taken. Although antihypertensive drugs can be taken, the range of choices is relatively narrow. The preferred oral antihypertensive drug is methyldopa, followed by labetalol and nifedipine tablets. If the need for acute antihypertensive, then the preferred drug is magnesium sulfate. The use of magnesium sulfate is first given a certain loading dose of 25% magnesium sulfate ten milliliters intravenous push, then in the rate of 1.5 to 2 grams per hour intravenous drip to help prevent pre-eclampsia or eclampsia. If necessary, you can also choose to apply sodium nitroprusside to lower blood pressure, but it is recommended that it should not be used for a long time, because school uniform that after all has a certain degree of toxicity, which may affect the fetus. The use of sodium nitroprusside is limited to the period of delivery or when the blood pressure is too high after delivery. The use of labetalol is the starting dose is 0.1 grams, eat 2 to 3 times a day, if the patient is not effective after taking the drug, then it can be increased to 0.2 grams at a time, eat 3 to 4 times a day. Nifedipine tablets are recommended to take 5 to 10 mg each time, and you need to take nifedipine tablets three times a day, which is a short-acting preparation, so that the frequency of eating per day should be more. For women during pregnancy, the preferred antihypertensive drug methyldopa, which is a central antihypertensive drug, should be taken 0.25 grams each time, 2 to 3 times a day, and the dose can be increased every two days, and the maximum daily dose should not exceed 3 grams. In addition to oral antihypertensive drugs, it is recommended that patients must pay attention to regular work and rest, avoid straining and staying up late, relax more, sometimes nervous emotions can also trigger an increase in blood pressure, pay attention to a low salt and low fat diet, the total daily salt intake is controlled to less than six grams, pay more attention to eat some fresh fruits and vegetables, to maintain a balanced nutrition. During pregnancy, many pregnant women gain weight too quickly, which is also a major factor in triggering high blood pressure, so it is important to pay attention to controlling weight gain.