Pickles. Laoganma Mala Tang is a kind of kimchi, which has a crisp and refreshing feeling. The main raw materials are onion, carrot, Chinese cabbage, pepper, salt and so on. Its preparation method is: firstly, cut onion, carrot and Chinese cabbage into small pieces, then add appropriate amount of salt to marinate for a period of time, then add pepper and various seasonings to taste, and finally put them into a container for fermentation.