Copper conducts heat quickly and is heated evenly. The effect of copper pot is the same as that of brass pot, but the copper content is high, which belongs to pure copper and is expensive. Brass is synthetic copper and may contain lead. Copper is easy to oxidize into copper oxide after heating, and it is easy to poison people after long-term use. Copper pots are not recommended. Hot pot it is recommended to buy copper hot pot. It is better to use the wok for a long time.

Copper has a special effect on sterilization. When you pour water into the pot, it has a great bactericidal effect. This is the so-called copper ion effect, which prevents the generation of microorganisms and keeps itself clean and hygienic. Copper can kill 157 kinds of harmful Escherichia coli. Experiments show that bacteria can't survive on copper products or copper dishes.

Classification of hot pot

North Korea's special hot pot: the country's special hot pot is mainly sauerkraut, cooked by charcoal thermal power plant and boiled in sea cucumber soup. Pickled sauerkraut and porcelain are soaked in salt water in winter, filtered and pickled. The white fat used is pork belly cooked and sliced or steamed once to get rid of greasy, and then served with blood sausage, clams and so on. Although the way to eat this Korean hot pot is primitive, it tastes very refreshing, similar to stewed white meat with sauerkraut in the northeast.

Italian hot pot: The main ingredients of this national hot pot are beef slices, ham, pork chops and shrimp, and the ingredients are spinach, onions and butter. When people eat hot pot, they first heat the hot pot, then put spinach and onion into the pot to cook, then put ham, chicken slices and pork chops later, and then add seafood products such as shrimp when they start eating, so as to keep the hot pot fresh and fragrant.