Generally, it should be salty and sweet. Eat fruit or drink fruit juice. Breakfast for children: Children are in a vigorous period of growth and development, so it is very important to pay attention to supplementing rich protein and calcium. First of all, eat less foods with high sugar content to prevent dental caries and obesity. A glass of milk, an egg and a slice or two of bread are usually the best choices for children's breakfast when conditions permit. Milk can be drunk alternately with drinks such as juice. Bread can sometimes be replaced by biscuits or steamed bread. Breakfast for teenagers: The body develops rapidly in adolescence, and muscles and bones often grow together. In particular, sufficient nutrients such as calcium, vitamins C and A are needed to help the body grow and develop. Therefore, the breakfast suitable for teenagers is a cup of milk, a fresh fruit, an egg and two or two dry snacks (mainly carbohydrates such as steamed bread, bread and biscuits). Breakfast for middle-aged people: Middle-aged people are "eventful autumn", shouldering two important tasks of work and family, and their physical and mental burdens are relatively heavy. In order to slow down the aging process of middle-aged people, their diet should be rich in protein, vitamins, calcium, phosphorus and so on. , and should be kept low in calories and fat. You can choose skim milk, soy milk and other drinks. The food is simple, but don't eat fried dough sticks, sweet (sweetened) food, ordinary steamed bread and bread, but bread without oil is fine. You can also choose to eat a fruit. If you want to eat eggs, don't eat yolk. You can also eat some dishes for breakfast, such as vegetable buns. In addition, fruits are different from vegetables. Radish''''''' but don't use too much, just change some grains and fruits. As for drinks, 200ML-250ML will do.