The diet of biochemical pregnancy should be mainly warm, eat more easily digestible and nutritious food, eat more meat, eggs, milk, fish, shrimp, etc., drink chicken soup, carp soup, black fish soup and other nourishing soups appropriately, and eat millet porridge as much as possible. Eat more food to nourish the blood and high iron content, pay attention to the meat and vegetables, to ensure balanced nutrition, avoid cold, spicy and other stimulating food, do not eat crabs and other cold food, alcohol is strictly prohibited, do not eat cold fruit, do not drink cold drinks, cold water. Some people make eggs and red dates soup, lychee jujube soup, soy milk, rice porridge has the effect of tonifying the middle, blood and fluid, harmonizing the spleen and stomach, clearing heat and moistening dryness, etc., which has a very good regulating effect on the biochemical expectation of the lack of qi and blood, physical deficiency, etc.