Washing wheat flour with water (adding proper amount of water and a little salt to the flour, stirring evenly to form dough, and then repeatedly kneading with clear water), the washed product is water gluten. If the water gluten is kneaded into small balls and fried in a hot oil pan, it will quickly expand and become bigger, and it will become golden brown, which will become a distinctive Wuxi clear water oil gluten.