In general, pregnant women 7 months high blood pressure caused by swollen feet and legs can not be transfused, can be under the guidance of the doctor to adjust the diet, appropriate rest, antihypertensive treatment to dissolve the symptoms, the specific need to comply with the doctor’s instructions. Hypertension in pregnancy is a serious pregnancy complication, will increase the risk of eclampsia, placental abruption, fetal distress, etc., need to be actively treated under the guidance of a doctor. When lower limb edema is caused in the 7th month of pregnancy, it cannot be infused with fluids, and can be treated with proper rest, adequate protein and calorie intake, sufficient sleep, and medications such as labetalol to lower blood pressure according to the blood pressure situation when appropriate. Hypertension during pregnancy increases the risk of pregnancy, need to strengthen the management of pregnancy, strict prenatal examination, reasonable arrangements for rest, and close monitoring of blood pressure and urinary protein changes, when the blood pressure control is stable can be terminated at full term, but if the control can not be stable or progressive aggravation of the need for doctors to fully assess the situation of the mother and fetus after the timely termination of pregnancy to ensure the safety of mothers and infants. When hypertension causes swelling of the feet and legs of pregnant women in their 7th month of pregnancy, they need to be actively handled under the guidance of a doctor.