Pre-eclampsia in pregnancy is one of the more serious types of hypertensive disorders in pregnancy. If left untreated, further development of pre-eclampsia in pregnancy can cause a variety of serious maternal and child complications during pregnancy, and untimely treatment can endanger the life of the mother and child. The symptoms of preeclampsia mainly include the following: 1. edema, pregnant women with preeclampsia will have varying degrees of edema. 2. elevated blood pressure, hypertension is one of the most important clinical manifestations of preeclampsia. When measuring the blood pressure of pregnant women, the systolic blood pressure is 140 mmHg and above and/or diastolic blood pressure is 90 mmHg and above. 3, headache, headache is the most common conscious symptom of preeclampsia, and is also a symptom that appears earlier. 4, dizziness, along with headache symptoms, dizziness may appear. 5, blurred eyes, blurred vision, some pregnant women may have obvious symptoms such as blurred eyes and blurred vision. Severe cases may even cause nausea and vomiting.6. Some pregnant women may experience discomfort in the upper abdomen.7. Urine protein. Pregnant women with pre-eclampsia may experience proteinuria. If symptoms of pre-eclampsia appear, prompt hospitalization is recommended.