1, married women, should always maintain good health, in the case of anemia, diabetes, hypothyroidism or gynecological diseases, early treatment; 2, pregnant women after the beginning of pregnancy, especially in the early stages of pregnancy to avoid all adverse mental stimulation, including excessive emotional tension and excitement. In addition, to stop intercourse; 3, during pregnancy should pay attention to the nutrition of food, to avoid the occurrence of vitamin A, B2, B6, C, E, H and mineral calcium, phosphorus, iron deficiency, but also not in excess; 4, pregnant women should avoid exposure to radioactive energy, avoid travel to highland areas, avoid sudden entry into all environments to which they can not adapt; 5, because women who have given birth to a child with cleft lip, cleft palate, the chance of having another cleft lip, cleft palate The chance of having another child with cleft lip or cleft palate is 25 times higher than normal, and 50 times higher for those who have had two, so parents who have had a child with cleft lip or cleft palate should be informed of this situation so that they can use it as a reference when considering family planning.