The first trimester of pregnancy is a very important stage of the entire pregnancy, statistics show that 90% of pregnant women will experience varying degrees of discomfort during this period, and the fetus is in a budding state at this stage is very fragile, is an important period of growth and development, therefore, the mother-to-be in this stage need to pay attention to the following issues: 1, psychological aspects: to maintain emotional stability and optimism. The rise of progesterone in the body in early pregnancy, coupled with the fact that some pregnant women experience various discomforts, mood swings can be great. It is recommended that pregnant women pay proper attention to enrich their lives, do simple relaxation exercises, pregnancy yoga, walking can be, listening to music, etc. Be good at regulating life, try to make the emotional stability, which will help the development of themselves and the fetus. 2, diet: make a reasonable diet plan, “blind tonic” often becomes a social problem, personal advice to refer to the “Dietary Guidelines for Chinese Residents” in the dietary guidance for pregnant women. It is recommended to pay attention to the regulation of diet in the early stage of severe pregnancy vomiting, and the diet should be quality but not weight. Ensure a balanced and appropriate amount of nutrition. 3.Life habits: dress reasonably, loose and comfortable is most important; ensure sufficient rest and sleep; prevent colds and flu, do not use drugs indiscriminately, if you need to use drugs, you should weigh the pros and cons and use reasonable drugs under the guidance of doctors; stay away from high temperature environment, the fetus is most afraid of heat during this period; the father-to-be or family members who smoke should avoid the mother-to-be to inhale second-hand smoke. 4, other aspects: pay attention to folic acid supplementation, while calcium, iron, zinc and other trace elements should also be supplemented as needed, and timely medical examination and treatment of other abnormalities The first trimester of pregnancy is particularly important for the mother-to-be and the fetal baby, and requires the mother-to-be and her family to make adjustments in all aspects to create a good innate environment for the pregnant woman and the baby.