Jiaozi, a pickled cabbage bag in the northeast, can be eaten after washing once. According to relevant public information, pickled cabbage in pickled cabbage package jiaozi is pickled for a long time, and can be eaten directly, but it can be eaten after washing once. Too much washing will affect the taste. Northeast pickled cabbage is a kind of home-cooked special food in Northeast China. Pickled with Chinese cabbage, it has local characteristics in Northeast China. Sauerkraut, called stone in ancient times, is called. The Book of Qi Yaomin in the Northern Wei Dynasty introduced in detail various methods of pickling sauerkraut with Chinese cabbage (called fermented grains in ancient times) and other raw materials.