The causes of postpartum hypertension may be related to the high blood pressure of pregnant women during pregnancy and the large weight base after delivery, as follows: 1. Hypertension during pregnancy: to ensure the smooth delivery of the fetus, the pregnancy is maintained by antihypertensive drugs, and after the normal delivery, it is found that there is still a period of hypertension after delivery; 2. Large weight base: the patient’s weight after delivery never returns to the prenatal state, and the weight is relatively large, leading to the occurrence of hypertension. Patients are usually advised to gradually lose weight and then clarify the blood pressure situation; 3, genetic factors: after the birth of the mother, the whole body endocrine problems, which can lead to postpartum hypertension.