Aluminum foil can be put in the oven. It is a commonly used baking auxiliary material, which is widely used in baking food because of its excellent anti-sticking and thermal conductivity. The use of aluminum foil helps to prevent food from sticking to the baking tray, simplifies cleaning work, and helps to heat food more evenly and shorten cooking time because of its good thermal conductivity. In the baking process, you can spread aluminum foil paper on the baking tray, and then bake food on it, which can effectively prevent food from directly contacting the baking tray and reduce scorching. Oven is a kind of kitchen appliance, which is mainly used for baking and heating food. It can be used to make all kinds of delicious food, such as bread, cakes, biscuits, barbecue and so on. The working principle of the oven is to generate heat through the heating element, and then transfer the heat to the food to make the food mature.