This means a kind of pork belly.

Because pork belly is composed of many layers, it belongs to the meat in the belly of the pig. It has both fat and lean meat. Fat and lean meat alternate, that is, there is a lot of fat tissue mixed with muscle tissue, so it is called pork belly. Three-layered pork belly is more suitable for making braised pork. The braised pork is not only fragrant but also rich in fat.

The production method is to slice the fat and lean pork according to the principle of "five-flowered and three-layered", then put the meat slices into the pot, add onions, ginger, garlic, star anise, cinnamon, bay leaves, etc. Seasoning for cooking. This kind of meat is red and white, tender and has a mellow taste, and is widely used in Chinese dishes.