At 14 weeks of pregnancy, pregnancy vomiting may still be caused by changes in the body’s hormone levels, which is generally normal, and there are differences in the duration of pregnancy vomiting due to different personal constitutions. In addition, you can drink honey water, lemon water and other drinks to relieve pregnancy vomiting; 2, lifestyle: pregnant women need to ensure adequate sleep and rest time, after meals can be appropriate to walk to promote gastrointestinal peristalsis, can help digestion and absorption of food, thereby reducing the residue of gastric contents, to relieve pregnancy vomiting. In addition, try to stay away from irritating odors or objects, and avoid contact with toxic and harmful gases; 3, application of drugs: when the reaction to pregnancy vomiting is heavy, vitamin B6 can be applied under the guidance of a doctor, which can regulate the peristalsis of the gastrointestinal tract and reduce intestinal spasm, thus relieving the symptoms of pregnancy vomiting; 4, intravenous fluids: if the reaction to pregnancy vomiting is serious, intravenous fluids should be administered according to medical advice, so as not to cause water and electrolyte disorders or acid-base imbalance in the body, and abnormal liver and kidney function. If a pregnant woman has persistent vomiting and cannot eat or drink, or even if there is bile or coffee-like substance in the vomit, she should consult a doctor in time to avoid dehydration and electrolyte disorders, which may threaten the life of the pregnant woman and the fetus.