At present, there are many kinds of dairy products on the market, the most common one is milk. But relatively speaking, the water content of milk is relatively high. If we want to get enough calcium every day, we may need to drink more than 300 ml of milk. It is unacceptable for all babies to drink so much. The biggest advantage of cheese is more concentrated nutrition, which can be solved by taking a small piece of calcium and is more acceptable to children.

There are 4,000 to 8,000 different types of cheese in the world, which are divided into four categories according to their water content: soft, medium soft, medium hard or hard. In addition, it can also be divided into:

1. fresh cheese (only after milk is heated or caked with enzyme, wrap gauze to squeeze out water. This should be bought and eaten now. You can keep it fresh in the refrigerator for a few days, and you must eat it within a week.

2. Soft cheese with flower skin: This kind of cheese has pink and white skin and a soft heart. Generally, this kind of cheese is made by pressing fresh cheese into small round cakes (other shapes are rare), then sprinkling Penicillium, and it will be successful in a month or two. After cutting, take the soft heart and spread the bread directly.

3. Blue cheese: This kind of cheese is pie-shaped, sprinkled with Penicillium and then pressed. This bacterium will grow into a blue object. There are many kinds of this. Generally, soft cheese can be replaced with blue cheese. Blue cheese has a strong flavor and needs several times to get used to it.