What people call soup dumpling flour is also a kind of glutinous rice flour. Glutinous rice flour is a powder made by processing existing glutinous rice. It can be used to make foods such as soup dumplings and dumplings and family snacks, and is known for its unique flavor.

Flour is a powder made from ground wheat. According to the amount of protein content in the flour, it can be divided into high-gluten flour, medium-gluten flour, low-gluten flour and gluten-free flour. High gluten flour: darker in color, more active and smooth itself, not easy to form a ball in the hand; more suitable for bread, and part of the shortcrust pastry type of shortening snacks, such as Danish pastry. In pastry, it is mostly used in muffins (lasagna) and cream hollow cake (puff). In cakes, it is limited to high-ingredient fruit cakes.