Taking vitamin B6 can stop pregnancy vomiting, but also pay attention to adjusting the diet structure, appropriate activities and other methods to alleviate the symptoms. 1. Vitamin B6: you can take vitamin B6 under the guidance of a doctor to stop vomiting, if the vomiting is too serious, oral medication may be ineffective, you need to consult a doctor for intravenous infusion treatment. 2. Adjust the diet structure: you can eat some soda crackers, yogurt, lemons, apples, and nuts and other foods, the taste is light, but also can provide nutrition for pregnant women. Daily small meals, more light and easy to digest food, avoid oil smoke, second-hand smoke and other irritating odors also have an improved effect. 3. Appropriate activities: life pregnant women to maintain a happy mood, more outdoor fresh air, adequate sleep, appropriate exercise can also help improve the situation of pregnancy vomiting. If the symptoms of pregnancy vomiting is serious, the emergence of tiredness, urine, dehydration and other symptoms need timely medical treatment.