1. First, clean the wok. When cleaning the wok, keep rubbing and cleaning it. Only in this way can the oil film on the surface of the wok be better separated. In addition to cleaning the inside, the back of the wok should also be wiped clean.

2. After repeatedly cleaning the iron pan for three or five times, it is necessary to heat the iron pan. When the iron pan is heated, it needs to be heated continuously with a large fire. During the heating process, the color of the iron pan will change slowly until the color of the iron pan becomes dark blue.

3. The purpose of heating the iron pan is to destroy the protective film on the surface of the iron pan, and then we need to clean the iron pan again, cleaning the inside and outside of the iron pan several times, heating and cleaning the iron pan again, and repeating the above actions for more than three times.