Patients with secondary hypertension should pay attention to medication, blood pressure monitoring, regular checkups, diet and rest after pregnancy. 1. Medication: patients with secondary hypertension should use antihypertensive drugs that have no effect on the fetus, such as labetalol hydrochloride tablets, nifedipine tablets, methyldopa tablets, etc., under the guidance of doctors during pregnancy. 2. Monitoring blood pressure: In normal times, we should also pay attention to the self-test of the specific changes in blood pressure, when the blood pressure control is unstable or there is a significant increase in blood pressure, we should go to the hospital in a timely manner. 3. Regular checkups: In addition to regular obstetric checkups, hypertensive patients may develop chronic nephritis after pregnancy, so they should also undergo routine blood tests, urine tests, liver and kidney function tests. 4. Diet: Pay attention to a low-salt diet, and eat more fresh fruits and vegetables in moderation to supplement nutrition. 5. Rest: pay attention to develop good living habits, rest on time, and ensure sufficient sleep time. During pregnancy, pay attention to rest more, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.