Rouyan wonton is delicious with brewed vinegar. According to relevant data, vinegar is made by adding acetic acid bacteria to vinegar raw materials or fermenting and filtering with natural acetic acid bacteria. Different raw materials, such as cereals and fruits, not only brew different flavors, but also contain volatile organic acids, sugars, lipids, amino acids, organic acids, vitamins, minerals, etc. besides acetic acid due to the action of enzymes, yeasts and acetic acid bacteria, with different flavors, characteristics, functions and good taste.