Xiaolongkan self-heating hot pot is eaten like this: open the vegetable bag, the meat bag and the base bag in turn into a food box, add warm water for later use, and then open the heating bag, where cold water must be added, and wait quietly for 15 minutes before eating. Hot pot, called "antique soup" in ancient times, is named after the "splash" sound when food is put into boiling water. It is an original food in China with a long history. Ding ware in the Zhou Dynasty should be the earliest prototype of hot pot. According to research, there was hot pot in the Warring States period, when people used clay pots as pots. By the Song Dynasty, eating hot pot was very common among the people. In Lin Hong's cookbook Shan Jia Qing Gong in the Southern Song Dynasty, eating hot pot with friends was introduced.