Early pregnancy precautions, as soon as possible to determine whether the intrauterine pregnancy, reasonable folic acid supplementation, do not blindly use drugs, avoid exposure to adverse factors, the emergence of uncomfortable symptoms in a timely manner to consult the doctor. 1. If the early pregnancy test paper detects pregnancy, go to the hospital as soon as possible to determine whether intrauterine pregnancy. 2. Reasonable supplementation of folic acid or multivitamin elements to reduce the incidence of neural tube malformation and cardiac malformation. 3. Do not blindly self-medication, early pregnancy is in the sensitive period of teratogenicity, when there is physical discomfort, such as pregnancy vomiting, colds, diarrhea, etc., we should promptly go to a specialist hospital, under the guidance of the doctor to use medication, do not blindly use drugs without authorization. 4. Keep your mood happy and avoid exposure to adverse environmental factors, especially radiation and chemical factors. Don’t go to crowded places to avoid viral infection. 5. If symptoms such as vaginal bleeding and abdominal pain occur, consult the hospital in time in order to know the intrauterine development of the fetus, establish a mother and child health care handbook, and have regular obstetric checkups.