Snow lettuce, also known as snow li red, is a variant of mustard, the leaves are y lobed, the edges are wrinkled, the leaves and stems are ordinary vegetables, can be blanched and fried, but usually pickled and eaten, pickled, also belongs to a kind of dried plum cabbage. Plum dried vegetables are mainly made from three varieties of vegetables: big leaf mustard, flower leaf mustard, and snow red, the leaves are dried and piled yellow, then salted and pickled, and finally dried in the sun to fill the altar.