Some people with gestational diabetes can have elevated blood pressure, which can lead to hyperemesis leading to adverse pregnancy outcomes in severe cases. It is common in the following groups: 1. Patients with substandard blood glucose control during pregnancy, substandard blood glucose control can lead to insulin resistance, which can cause an increase in blood pressure. Strict control of blood glucose to standard during pregnancy is needed to facilitate the control of blood pressure in patients. 2. If there is a previous occurrence of hyperemesis, the risk of hyperemesis is significantly increased by the presence of elevated blood pressure during another pregnancy. A low-salt diet and related medications for blood pressure control therapy are needed to reduce the occurrence of adverse pregnancy outcomes. Patients with gestational diabetes should be closely monitored for blood pressure and blood glucose so that all of the above indicators are met to reduce the occurrence of related adverse pregnancy outcomes.