Iron pot is a traditional pot in China, which is divided into cast iron pot (raw iron pot) and refined iron pot (cooked iron pot).

Advantages: the iron pot can fully retain the aroma and nutrients of dishes, the cast iron pot has long service life, stable heat transfer, easy for users to master the heat, and is suitable for beginners;

The surface of the fine iron pot has been treated by various processes, which has fast heat transfer and is suitable for cooking.

Disadvantages: heavy, easy to rust.

Recommended index: ★★★★★★ ★.

Tip: Before the iron pot is used for the first time, it can be heated first, and the surface of the pot can be wiped with lard in a circle. Repeated three or five times, commonly known as "boiling."

In order to avoid rust in the iron pot, don't leave unfinished food in the pot for the night; Use less detergent when brushing the pot, and don't use cleaning tools with too much friction to avoid scraping off the protective layer; After brushing the pot, dry the water in the pot by hand.

2. stainless steel pot.

It is made of Fe-Cr alloy mixed with trace metal elements such as nickel, molybdenum, titanium, cadmium and manganese.

Advantages: fast heat transfer, good heat preservation, small fire cooking after the pot is hot, energy saving and environmental protection, not easy to stick to the pot, corrosion resistance.

Disadvantages: the price is more expensive and cumbersome.

Recommended index: ★★★★★☆☆.

Tips: stainless steel pot is relatively safe for human health, but we should pay attention to it.

Do not put salt, soy sauce, vinegar, vegetable soup, etc. After a long time, it is easy to have chemical reactions and dissolve toxic substances;

It is also inappropriate to cook Chinese medicine with stainless steel pot, which may invalidate the medicine and even produce some more toxic compounds.

3, non-stick pan.

Non-stick pans are just coated with a non-stick coating on aluminum pot, wok and stainless steel pot, and Teflon is commonly used.

Advantages: no rust, non-sticking, less oil fume, convenient cleaning and uniform heat conduction in a short time.

Disadvantages: Non-stick coating is "delicate" and easy to wear, and generally lasts for six months to five years.

Recommended index: ★★★★★☆.

Tip: spatula should use wood, bamboo, silicone and other materials. Do not use an iron spatula to avoid scratching the coating.

Avoid high-temperature cooking and dry burning, dry burning for 5 minutes, and the temperature can reach 800℃. Add oil to the cold pot and heat it on low heat.

4. marijuana.

Advantages: easy to clean, corrosion-resistant, rust-free, diverse and beautiful.

Disadvantages: easy to break.

Recommended index: ★★★★★☆☆.

Tips: When buying pottery pots, it is best to choose white inner walls instead of glazed ones, which may contain a small amount of lead and can be dissolved when cooking acidic foods.