Sweet noodle sauce, also known as sweet sauce, is a sauce-like condiment made of flour as the main raw material through koji-making and thermal insulation fermentation. It tastes sweet and salty, and has the aroma of sauce and ester at the same time. Suitable for making sauce-fried and sauce-fried dishes, such as "diced pork with sauce", or dipping in green onions, cucumbers, roast ducks and other dishes.