The first month of pregnancy requires attention to dietary adjustments, lifestyle adjustments and early pregnancy reactions. 1. Dietary adjustments: Early pregnancy is the main period of fetal neural tube development, it is recommended to supplement folic acid under the guidance of a physician; in addition, it is recommended to eat small meals, increase nutrition, and comprehensive intake of fish, poultry, meat, eggs, milk, grains, vegetables and other foods, so as to avoid malnutrition caused by pregnancy vomiting. 2. Lifestyle Adjustment: During this period, as the fertilization of the egg is not yet very stable, it is recommended to pay attention to rest, avoid exertion, strenuous exercise, and pay attention to vaginal sex during this period. In addition, avoid smoking and drinking. 3. Pay attention to early pregnancy reaction: the most important manifestations are nausea, vomiting and other manifestations. Mild cases can be adjusted by eating less and more meals, avoiding greasy food, avoiding exposure to factors that trigger vomiting, etc.; severe cases of vomiting can be intervened by using vitamin B12 and other drugs under the guidance of clinicians. Vitamin B12 and other medications mentioned above should be used under the guidance of a clinician; if severe early pregnancy reactions occur, prompt medical attention is recommended.