Acid vomiting in pregnancy is an early pregnancy reaction, which usually appears in most people at 6 weeks of pregnancy and gradually disappears around 12 weeks of pregnancy, while some people continue throughout pregnancy. A small number of pregnant women are caused by problems such as acute fatty liver during pregnancy, and need to actively seek medical treatment. I. Common causes: 1. Early pregnancy reaction: pregnancy is affected by estrogen and progesterone in the body, as well as human chorionic gonadotropin, resulting in a weakened gastrointestinal motility and the symptoms of acid vomiting. In light cases, there is only mild nausea and acid vomiting in the morning, with occasional vomiting and other symptoms; in heavy cases, there is serious nausea, repeated vomiting, and even dehydration and acidosis; 2, dietary factors: pregnant women eat unclean food during pregnancy, stimulating the gastrointestinal tract and causing functional disorders, which can lead to acid vomiting; 3, indigestion: poor gastrointestinal function of pregnant women in early pregnancy, prone to indigestion, which can cause Early satiety, bloating, belching, epigastric pain, acid vomiting and other symptoms; 4, acute fatty liver in pregnancy: at the beginning of the disease, pregnant women can have persistent nausea, vomiting, vomit can be gastric contents, acidic taste, accompanied by fatigue, epigastric pain or headache and other symptoms, which can be determined by liver function tests and abdominal ultrasound; 5, intrahepatic cholestasis in pregnancy: itching without skin damage occurs in late pregnancy, and in severe It may cause insomnia, fatigue, nausea, vomiting, loss of appetite and other symptoms, and may show acid vomiting. By elevated fasting serum total bile acids with itchy skin, it is possible to determine whether a pregnant woman is suffering from intrahepatic cholestasis during pregnancy. Treatment: 1. If the symptoms of acid vomiting are mild, food such as bread and soda crackers can be consumed to relieve it. You need to eat less and more meals on a daily basis, and eat more foods that are good for fetal development, such as eggs, fish, meat, milk, animal liver, soy products, vegetables and fruits to ensure adequate intake of various nutrients such as protein, vitamins and inorganic salts. Food should be light and hygienic, and try not to eat food that is too salty, too greasy or has a special smell. If the early pregnancy reaction is serious, it is recommended to actively seek medical advice and use oral rehydration salts as prescribed by the doctor to avoid dehydration symptoms, and also take vitamin B6 tablets and other drugs to help relieve symptoms such as acid vomiting; 2. If the acid vomiting symptoms occur due to inflammation of the gastrointestinal tract caused by unclean diet, it is recommended to take probiotic drugs such as Bifidobacterium tetraureticum tablets as prescribed by the doctor to help relieve discomfort symptoms; 3. If you have digestive problems, you can take medications to promote digestion, such as Hawthorn Pills, or you can help the gastrointestinal tract peristalsis and relieve the symptoms of acid vomiting by appropriately pressing the stomach and increasing the activity; 4. If the situation is serious, the pregnancy should be terminated as soon as possible; 5. For pregnant women with intrahepatic cholestasis during pregnancy, intravenous infusion of glucose, vitamins and other drugs are needed to prevent nutritional loss, and if necessary, the pregnancy should be terminated in time.