When it comes to eugenics, the general public may think that it is only necessary to pay attention to fetal education during pregnancy. In fact, this is not enough. Strictly speaking, the time should also be advanced. As the saying goes, “Before the soldiers and horses move, the food and grass go first.” Before getting pregnant, both couples should pay attention to diet and nutrition in order to have healthy sperm and mature eggs to ensure the conception of quality embryos. So, what should be the requirements for the pre-pregnancy diet of the future parents? First of all, it is important to develop good eating habits. You may think you eat well, but often the range of foods is too narrow. Different foods contain different nutrients in varying amounts. Some contain here, some contain those kinds; some content more, some content less, so, should eat a variety of – some, not partiality, not taboo, what to eat, to develop good dietary habits. Secondly, in the diet, pay attention to strengthen the nutrition, especially protein, asphalt and vitamin intake. Various kinds of beans, eggs, lean meat, fish, etc. are rich in protein; kelp, nori, jellyfish and other foods synthesized more; animal food containing zinc, copper more; sesame paste, pig liver, yellow and, red curd contains more iron; melons, fruits, vegetables, Taiwan has a wealth of vitamins. Pre-pregnancy couples can according to their respective families, regions, seasons, etc., selective scientific arrangement of three meals a day, and pay attention to eat more fruits. In this way, after a period of health and nourish the spirit of the buffer period, the two sides of the body stored sufficient nutrition, physical health. Energetic, for eugenics to lay a solid foundation, again, should avoid all kinds of food pollution. Food from its raw materials production, processing, packaging, transportation, storage, sales until the whole process of consumption, are likely to varying degrees by pesticides, metals, fungi, toxins and radionuclides and other harmful substances contamination of the health of human beings and their offspring to produce serious harm. Therefore, pre-pregnant couples should pay attention to dietary hygiene and prevention of food contamination in their daily life. Should try to use fresh natural green food, avoid eating food containing food additives, coloring, preservatives, such as commercially available beverages, canned food, marinated meat, pastries, sausages and “convenience foods” and so on. Vegetables should be washed well and soaked if necessary, and fruits should be peeled before consumption to avoid pesticide contamination. Try to drink plain water, avoid drinking all kinds of coffee, beverages, fruit juice and other beverages. In the family cookware scarf should try to use iron pots or stainless sodium cookware, avoid the use of aluminum products and colorful enamel products, in order to prevent aluminum, lead elements on the body cells of the damage.