Pregnant women with gastroenteritis need to decide whether to be hospitalized or not depending on the condition. Mild cases do not need to be hospitalized, but severe diarrhea, dehydration, electrolyte disorders, etc. should be hospitalized. Dietary management should be strengthened during pregnancy to avoid acute gastroenteritis caused by consuming unclean diet or spicy stimulating foods. When mild diarrhea occurs generally do not need to be hospitalized, can be given under the guidance of the doctor oral treatment of drugs, such as montelukast. However, when severe diarrhea occurs, or even dehydration symptoms need to be hospitalized in time to replenish fluids, anti-infection treatment, to avoid adverse effects on the fetus. During pregnancy, you should strictly follow the doctor’s instructions to adjust your diet and nutrition, and eat a balanced diet to ensure that you consume sufficient nutrients to meet the needs of fetal growth and development. Be sure to eat reasonably to avoid acute gastroenteritis symptoms caused by improper diet, which increases the risk of preterm miscarriage or preterm labor. Therefore, when pregnant women experience symptoms of gastroenteritis, they need to go to the hospital in time and be actively treated under the guidance of the doctor.