Why do traditional iron pots always rust?

Rust is mainly caused by two factors: water and air.

In order to prevent the iron pan from rusting, it's OK to prevent these two things from getting together.

The specific practice is as follows

1

Something simple.

After using the wok, hang it in a cool and ventilated place. Avoid direct sunlight.

2

It's been useless for a long time.

Put some oil on the wok.

Or fry fat pork, pigskin and other things, then wash the pot with a soft rag or loofah, and then hang it in a cool and ventilated place. Avoid direct sunlight.

three

Pay attention at ordinary times

Cook soup in an iron pot. After the water is boiled, put some oil on it.

Don't be too hard with the spatula.

Avoid using hard objects such as steel balls to brush the pot vigorously.

As long as you follow the above practice, you can basically ensure that the iron pot will not rust.