The early stage of pregnancy is the most important period in the process of pregnancy; it is the critical period for the formation of fetal organs and systems, and any factor that affects the formation of fetal organs may cause fetal malformations. Therefore, pregnant women should be vigilant in the early stages of pregnancy and avoid exposure to any drugs, poisons, radioactive substances, infections and high heat environment to prevent the occurrence of adverse pregnancy outcomes. After the pregnancy is detected, it is recommended to consult a local hospital to determine the site and duration of pregnancy, and to perform the first prenatal checkup to exclude pregnancy complications. The first antenatal visit is important and includes screening for pregnancy-related diseases in the early stages of pregnancy and the creation of an antenatal care booklet. The purpose of establishing the booklet is to make the subsequent prenatal examination more systematic and complete, with Down’s syndrome screening or non-invasive DNA examination at 15-20 weeks of pregnancy, ultrasound for malformations and fetal echocardiography after 20 weeks of pregnancy, and glucose tolerance test at 24 weeks of pregnancy to exclude gestational diabetes mellitus, and thereafter, regular prenatal examination in accordance with the standard of prenatal examination. In addition, patients need to pay attention to diet and nutrition during pregnancy, pay attention to a balanced diet, and consume more vegetables and fruits. During pregnancy, pregnant women need to load their own as well as fetal growth and development of various nutrient intake, and the body metabolism than the pre-pregnancy increase. For the better development of the embryo, early pregnancy needs to supplement a variety of trace elements, vitamins, including folic acid and so on. In addition, you need to pay attention to the observation of vaginal bleeding, abdominal pain, if there is any abnormality, timely consultation in the local hospital, to rule out the possibility of early pregnancy miscarriage and ectopic pregnancy. In the early stages of pregnancy, prenatal checkups should be conducted, attention should be paid to dietary influences, necessary nutritional supplements, avoiding exposure to any teratogens, and consulting the doctor in case of any abnormality.