Early pregnancy needs to consume more grain and cereal foods, foods rich in folic acid, and ensure that all kinds of nutrients are balanced. 1. Light and palatable, easy to digest, conducive to reducing pregnancy reactions, including a variety of fresh vegetables and fruits, soy products, fish, poultry, eggs and various types of cereal products. 2. Eat small meals, the frequency, quantity, type and time of meals should be adjusted according to the appetite of the pregnant woman and the severity of the reaction in a timely manner, eat small meals to ensure that the amount of food. 3. Ensure adequate intake of carbohydrate-rich foods, early pregnancy should ensure that the daily income of at least 130g of carbohydrates, preferred easy to digest food grains; due to severe pregnancy reactions and can not normally eat enough carbohydrates pregnant women should seek timely medical attention to avoid adverse effects on early fetal brain development, at this time there is no need to overemphasize the balanced diet. 4. Consume more folic acid-rich food and supplement folic acid. Folic acid deficiency in early pregnancy can increase the risk of neural tube malformation and preterm delivery. Pregnant women should start planning their pregnancy by consuming more folic acid-rich animal offal, dark green vegetables and beans, and are advised to take an additional 400-800ug of folic acid daily. 5. Quit smoking and prohibit alcohol. Nicotine in tobacco and cyanide and carbon monoxide in smoke can lead to fetal hypoxia, malnutrition and developmental delay. Alcohol can also enter the fetus through the placenta, causing intrauterine dysplasia and abnormal development of the central nervous system.