There are two kinds of sours in Guilin. Guangxi people will drool when they mention it: one is for cooking, including sour bamboo shoots, sour radish, sour beans, sour beans, sour ginger, sour peppers, etc. . Another kind of snack, also called kimchi, can be eaten directly, including cucumber, radish, pineapple, plum, cabbage, mustard greens, sour ginger, sword beans, lettuce, mustard, kaolin, etc. Guilin's Lao Jar Sour is very delicious, spicy and sour. The vegetables put in the sour jar are dried in the sun first so that they can be eaten with water. Use clean cold water, brown sugar, bulk 53-degree Guilin Sanhua wine, and large grains of sea salt from the morning of the day, put them into a jar, and then put in the dried vegetables. It shall be as long as the vegetables are submerged, but it must be at least two centimeters away from the mouth of the jar. Close the jar lid and pour in the sealing water. The sour jar is placed in a cool place, and the sound of cooing can be heard at night. After a week, the sourness will be marinated. Pick it up with clean chopsticks and sprinkle with sugar. It is really sweet and sour. If you like spicy food, add some rice chili peppers when soaking the ingredients to make it taste better.