The precautions to be taken during the first month of pregnancy include prohibiting sexual intercourse, improving daily diet, adjusting lifestyle habits and not using drugs indiscriminately. 1. Prohibit sexual intercourse: sexual intercourse should be prohibited in the first month of pregnancy because the embryo development is unstable, sexual intercourse may induce miscarriage, and also pay attention to the hygiene of the lower body, wash the lower body diligently to prevent gynecological diseases. 2. Improve the daily diet: the daily diet should be improved, consume more fresh vegetables and fruits, but also to ensure that the intake of vitamins and proteins, the diet should be balanced, can not be partial food picky, reasonable diet is conducive to the development of the fetus. 3. Adjustment of living habits: to adjust the daily habits, do not stay up late, to ensure adequate sleep, and to improve the psychological state, do not have too much psychological pressure, avoid contact with toxic substances, do not be in a long time in the environment with radiation. 4. Do not indiscriminate use of drugs: after pregnancy due to the body’s immunity is reduced, may suffer from some diseases, such as colds, must not be arbitrary use of drugs, should follow the doctor’s guidance, safe and reasonable use of medication. In the first month of pregnancy, when there are obvious abnormal symptoms, such as lower body bleeding, abdominal pain, it is recommended to consult a doctor as soon as possible for examination and treatment.