There are differences: 1- Casserole is a pot made of sand pottery, sometimes partially glazed. Casserole depends on casserole recipes including casserole chicken, casserole tofu, casserole fish head and so on. It is characterized by strong heat preservation ability and porous texture, and can absorb and release food flavor in a small amount. When you just bought it, you need to deal with it (such as boiling it with taomi water) so that it won't go bad easily! Not resistant to temperature difference, mainly used for slow cooking with small fire. A pot made of clay and sand. And the casserole is easy to damage!