1. king of vegetables is known as the king of vegetables, which originated in China. There are many varieties of Chinese cabbage and chard, but they belong to the same category. They have rich nutritional value, including protein, vitamins, of which vitamin C is the most prominent. In addition, Chinese cabbage contains fiber, lignin, and especially zinc, which is a trace element that should not be ignored. It is not only rare in vegetables, but also more than in meat and eggs.

2. Asparagus is internationally recognized as the king of vegetables. Asparagus is delicious, rich in vitamins, minerals and trace elements, is recognized as a good vegetable, so it is called the king of vegetables.

3. Tomatoes are native to South America and are widely grown in southern and northern China. Tomato fruit is rich in nutrients and unique flavor. They can be eaten raw, boiled, processed tomato sauce, juice or the whole fruit can be stored.

4. Bitter melon is native to East India and is widely grown in tropical to temperate regions of the world. It is widely grown in northern and southern China. Bitter melon is bitter and sweet, and is mainly used as a vegetable, but can also be used as preserves; the ripe pulp and aril can also be eaten.

5. Spinach has high nutritional value. It is rich in ? carotene and is also an excellent source of folic acid, iron, potassium and magnesium.

6. Leek is a perennial perennial root vegetable of the lily family that is highly adaptable and resistant to cold and heat. It is found everywhere in China. Many areas in the south produce it year-round. Although the above-ground part in the north wilts in winter, the underground part goes dormant and the topsoil germinates in the spring after thawing.