With the improvement of people's living standard, there are various kinds of materials for pots and pans, among which the most popular ones are iron pot, non stick pot and stainless steel. At this time, we will think what kind of materials are good? In fact, they have different functions, different materials pot suitable for different cooking methods.

Iron pot: when we usually cook, we suggest that you use iron pot, because iron pot generally does not contain other chemical substances, and there are few dissolved substances. Even if there are dissolved iron substances, it is also good for human body. Iron pot is mainly iron element. During the process of cooking, iron ion will be dissolved into food, and iron element can be absorbed after eating. Iron element is important for the synthesis of hemoglobin Element, so we can use iron pot to prevent iron deficiency anemia. However, the iron pot is easy to rust, so it is not suitable to put food overnight or boil soup, otherwise the oil layer on the surface of the iron pot to protect its rust will disappear.

Stainless steel pot: stainless steel is characterized by no rust. It is mainly made of ferrochrome alloy and some metal elements. It has good metal properties and is more resistant to corrosion than other metals. However, we should pay attention to that unqualified stainless steel will have potential safety hazards and unqualified stainless steel pots will have safety substances. 

There are many stainless steels in the market. 304 stainless steel pot, 430 stainless steel and 316 stainless steel are generally used in the pot. Whether it is 304 stainless steel or 430 stainless steel, if it is exposed to acid and alkali substances for a long time, it will have chemical reaction. Therefore, stainless steel pot is more suitable for cooking, steaming, soup and hot milk. It is not suitable to put salt and soy sauce for a long time.