Fish, shrimp, meat and eggs (including animal meat, poultry meat and internal organs) mainly provide high-quality protein, fat, minerals, vitamins A and B, and their nutritional contents are different. Eat 150~200 grams every day.

Milk and bean foods Milk mainly includes fresh milk, milk powder and so on. Besides being rich in high-quality protein and vitamins, it is an excellent source of natural calcium with high calcium content and high utilization rate. Beans are rich in high-quality protein, unsaturated fatty acids, calcium and vitamins B 1, B2, etc. Drink 250 ~ 500g fresh milk and eat 50 ~ 100g beans and bean products every day.