Jiuyang purple casserole can cook food with slow fire, such as boiling, stewing, stewing, boiling, pot, etc., which is a supplement to family meals and food. Its operation is simple and convenient, and it does not need special guards in the automatic state, which is especially suitable for modern fast-paced life. There is a purple sand liner, which is hygienic, non-toxic and easy to clean. It can effectively prevent the intake of harmful metal ions, and the stew is original and nutritious.