Ceramic interlocking tile

The utility model relates to a porcelain chain tile which is a tile applied as covering or decoration for roofs, in particular to a porcelain tile with the ridges and the grooves to be integration. The utility model has the advantages of ability to be adapted to the technologies of automatic semi-dry compression forming and roller kiln production, high compression durability, coldness durability and water prevention. The tile body of the utility model comprises a plurality of ridges, a plurality of grooves and a plurality of edge reinforcements which are connected with each other; a top lap interface, a bottom lap interface, a plurality of nail holes, a front water-proof line, a back water-proof line, a groove water baffle, a plurality of edge reinforcement water-proof lines, a purline hanging groove, a back reinforcement, a reinforced root, a front jaw and a back jaw are arranged on the tile body; the surface plane of the back reinforcement shares the same plane with the back surface of the outer rims of the ridges. The utility model can be applied to covering and decoration for roofs that has strict requirements of water prevention, good heat insulation, high mechanical intensity and working convenience.