1. If it is a non-stick pan, you can heat the pan red, pour in boiling water and bring to a boil.

2. The newly purchased iron pot has rust. You can use sandpaper to remove the rust.

3. Brush it twice with clean water, put it on fire to dry, then brush it with hot water before use.

4. You can also soak the iron pot in rice washing water for several hours and then wash it with clean water.

5. Before using the new pot, you can introduce an appropriate amount of vinegar into the hot iron pot.

6. Scrub with a brush while burning, and rinse with clean water to remove the odor.