Precautions in early pregnancy include resting, avoiding things that are detrimental to the development of the fetus, taking folic acid supplements, and ensuring balanced nutrition. In early pregnancy, the fetal sac is unstable, usually pay more attention to rest, try to avoid strenuous exercise or excessive exertion, so as not to increase the chance of fetal miscarriage. Avoid doing things that may affect the growth and development of the fetus in early pregnancy, such as smoking, drinking, exposure to radioactive or chemical substances, and avoid having sex. Folic acid should be supplemented in the early trimester of pregnancy, which can prevent fetal neural tube malformation and facilitate the differentiation and formation of embryos. Early pregnancy should pay attention to the balance of nutrition to eat rich in protein, vitamins, minerals and other foods, such as milk, beef, chicken, fish, celery, carrots, apples and other foods. Early pregnancy pay attention to a lot of things, more observation of the body’s changes, there are abnormalities in a timely manner.