① The oven can be replaced by a paper cup without a mold. The oven is a sealed electrical appliance for baking food or drying products, which can be divided into household appliances and industrial ovens. Industrial ovens are a kind of equipment for drying products in industry, with electricity and gas. Mold is a variety of molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. The die has a specific contour or cavity shape, and the blank can be separated (punched) according to the contour shape by applying the contour shape with cutting edge. ② Glass Bowl: Because under normal circumstances, the requirements of mold materials for ovens are relatively high. Just remember not to put plastic products in the ovens. In this case, glass bowls can be used instead, and some bread practices can be realized. ③ Stainless steel basin: If there is no bread mold, you can choose to bake it in a stainless steel basin, but you must remember to use a better material, otherwise it will be deformed due to the heating or cooling process. (4) Tin foil: You can use some tin foil instead, but you must remember to make the tin foil into a rectangle, which can better replace the bread mold, otherwise it will make some mistakes and even have a counter-effect. ⑤ Paper holder: Paper holder can also be used instead of bread mold, which can not only realize the function of substitution, but also produce some benefits. When baking, it can not only make bread mature quickly, but also ensure a certain taste.