According to China's agricultural information network, red dregs are a kind of Guangxi specialty pickles, mainly used for pickling ginger, radish, four season beans and other vegetables, due to the pickling process takes a long time, usually need to take 10 days to a few months, during the pickling period, you need to keep the container sealed, moisture-proof, insect-proof, to avoid contamination and breeding of bacteria.

Adding vegetables during pickling may affect the flavor of sauerkraut or pickles, as adding new ingredients can change the brine or the taste of spicy, sweet and sour, or hot, and sometimes even cause spoilage. It is best to have determined the ingredients and proportions needed before pickling, as once changed, it may affect the quality and flavor of the entire pickling process.