Sour soup of Shui nationality is very distinctive, including spicy acid (made of pepper), hairy acid (made of tomato), fish acid (made of fish and shrimp), stinky acid (boiled from pig and ox bones) and so on, among which spicy acid is the most commonly used. Spicy acid is made from fresh red pepper. Its preparation method is to wash the fresh red pepper, add water and grind it into slurry with a mill, add a lot of sweet wine (or glutinous rice porridge), put it in a pickle jar, seal it, and ferment it to get delicious sour soup. When eating, all kinds of vegetables, such as cabbage, green vegetables, tender bamboo shoots, large-leaf leeks and wide vegetables, are cooked, and appropriate acid is put in and boiled. Paste Chili noodles, salt and scoop a little vegetable soup to make it dip in water. When eating vegetables, you should eat it with water, which is delicious and very appetizing.