Laotan sauerkraut, originally one of the many categories of Sichuan pickles, was gradually known to the public until it was excavated by Uni-President Foods in 2008 and appeared in the convenience food "Uni-President Laotan Sauerkraut Beef Noodles" in the form of sauerkraut packets.
In 20 10, the income of Uni-President instant noodles increased by 67.4% compared with that in 2009, relying on the old altar to make a profit. The annual sales of single products reached 4 billion yuan, four times that of Master Kong in the same period. Unity has become synonymous with Laotan sauerkraut, and sauerkraut as a condiment has gradually been recognized by more cuisines.