In early pregnancy, drink about 1,000 to 1,500 ml of water a day, and in late pregnancy, drink less than 1,000 ml of water, depending on the individual’s situation, and control the amount of water a day to about 2,000 ml of water. Drinking a moderate amount of water during pregnancy can diligently urinate, which is conducive to discharging the body’s excretions and removing toxins from the body. Drinking more water can prevent bladder infections, improve constipation, prevent dehydration and other benefits. Early pregnancy fetal volume in the uterus is relatively small, drink about 1000 to 1500ml of water per day can meet the needs of the body, drink less than 1000ml of water in late pregnancy to reduce the phenomenon of edema in late pregnancy. This is not absolute, after all, each pregnant woman’s physical condition is different, the amount of water a day to control about 2000ml can be. Gestational hypertension during pregnancy, gestational diabetes patients, the amount of water should also be appropriately reduced, so as not to aggravate the burden on the heart and kidneys.