Naked oats, also known as naked oats and lettuce, belong to the genus lettuce in Compositae. It is a kind of pointed leaf lettuce, with tender buds and leaves. Its leaves are long lanceolate, light green in color, crisp and tender in texture, very fresh and fragrant, and unique in taste. It contains a lot of vitamin A, vitamin B 1, vitamin B2 and a lot of calcium. Annual or biennial vegetables.