Early pregnancy reaction mainly includes pregnancy vomiting, which is manifested as nausea and vomiting, mainly for the contents, which may cause miscarriage and fainting in serious cases, and can be treated with oral vitamin B6, and hospitalization is recommended in serious cases. Early pregnancy digestive system changes are particularly obvious, not only for the lower abdominal cramps, sleepiness, like to eat acid, the main thing is nausea and vomiting, usually appear about 6 weeks after menopause until the second trimester of pregnancy, usually disappear on their own, vitamin B6 can relieve the symptoms of pregnancy vomiting, but if the effect is not obvious, we recommend hospitalization active rehydration treatment, pay attention to the presence of urinary ketone bodies in the urinalysis, once produced, we recommend inactivation treatment. Once the ketone bodies are produced, it is recommended to treat the ketones, which are toxic to the fetus, and at the same time, the infusion can supplement the pregnant mother’s own nutrition supply to avoid electrolyte disorders or miscarriage caused by severe vomiting. In early pregnancy, it is recommended to eat more light, do not eat stimulating food to increase the gastrointestinal response, and must pay attention to dietary hygiene, not to eat expired food and uncooked food, such as raw seafood is not recommended. Most of the regular treatment will relieve the reaction of pregnancy vomiting, relax and pay attention to rest.