1, preset oven. Set the highest temperature, for example, the highest temperature of the oven is 250 degrees, which can be set to 240 degrees. Set the baking mode to copy the upper and lower tubes together. Set the baking time to 15 minutes.

2. Carry out the first baking. Open the oven when baking for the first time, because some protective agents may be coated inside the oven or on the heating pipe, which needs to be heated to emit these substances, and there may be some unpleasant smells when baking.

3, open the cover to breathe. After the baking time is over, open the lid to breathe, and the oven can be put into use.

4. Preheat the oven. Default oven. The oven needs to be preheated before baking ingredients, for example, baking cakes needs 220 degrees. Then you must preheat the oven to 220 degrees first. First adjust the temperature to 220 degrees, and then adjust the baking time to 5 minutes.

5. Preheat the oven. After baking in the oven for 5 minutes, the temperature reaches the preset temperature. Open the oven cover, immediately put in the baking ingredients, and then bake according to the baking time.