The practice of thermal insulation ceiling has the following kinds: 1. gypsum board thermal insulation ceiling: first install the keel on the original ceiling, and then install the gypsum board on the keel, and then fill the thermal insulation material between the gypsum board and the original ceiling, such as rock wool, glass wool, etc. 2. lightweight steel keel thermal insulation ceiling: install the lightweight steel keel on the original ceiling, and then install the lightweight partition board on the keel, and then fill the board with the original ceiling. 3. aluminum buckle plate thermal insulation material. Aluminum buckled board insulation ceiling: first install the keel on the original ceiling, then install the aluminum buckled board on the keel, then fill the insulation material between the board and the original ceiling. 4. mineral wool board insulation ceiling: first install the keel on the original ceiling, then install the mineral wool board on the keel, then fill the insulation material between the board and the original ceiling. 5. PVC board insulation ceiling: first install the keel on the original ceiling, then install the PVC board on the keel. Then install the PVC board on the keel, and then fill the insulation material between the board and the original ceiling.