To prevent pregnancy vomiting, you can take the following measures: 1. Eat a small number of meals, avoid fasting in the morning, eat light, dry and high-protein food. 2. Try to avoid contact with smells, foods and additives that can easily induce vomiting, do not eat too salty, too sweet, greasy food, you can eat soda crackers to reduce the discomfort of pregnancy vomiting. 3. Drink water after an hour after eating dry snacks, do not drink water immediately to avoid 4.Appropriate intake of vegetables and fruits can replenish the electrolytes and trace elements in the body and improve the symptoms of pregnancy vomiting. 5.Keep the indoor air fresh, open the windows frequently for ventilation and go to places with odor less often. 6.If the pregnancy vomiting is obvious, you can take small doses of vitamin B6 to get the effect of relief.