In early pregnancy due to changes in the body’s hormone levels, resulting in a slowing of the gastrointestinal tract peristalsis, prolonged gastric emptying time, the activity of digestive enzymes in the body will also be reduced, and the cardia sphincter of pregnant women is relaxed, prone to gastroesophageal reflux, so it will lead to acid vomiting. Ways to relieve pregnant women can eat less and eat more, chew and swallow slowly to reduce the tension of the stomach. Do not eat sweet food to avoid producing excessive stomach acid. You can relax, for example, listen to music and distract yourself. Because of tension and anxiety, it can also lead to excessive secretion of stomach acid. If necessary, you can take oral vitamin B6 to relieve the symptoms to reduce the acidity brought by pregnancy reaction.