Frozen vegetables are rich in amino acids, anti-acidification substances and other highly functional substances. The sour taste of frozen vegetables is the sour taste of natural apples, rich in minerals such as sodium, potassium and carotene, which embodies one of the characteristics of Chinese cabbage, cabbage and lettuce, and is a vegetable with high nutritional value. In the record of recipes. Nothing should not be eaten with iced dishes, only people with a cold stomach are not suitable for eating iced dishes.