To provide an installing structure of a ridge end decorative tile of a tile roof, capable of stably fixing an end decorative tile to a channel tile, by easily adjusting the fixing height of the end decorative tile, by connecting a connecting piece of an end decorative tile fixture installed on and fixed to the end decorative tile to an installing piece installed on and fixed to a ridge core material by a connecting bolt.

This structure is provided for installing the end decorative tile 3 of an end part of a ridge part 1 on the ridge core material 6 by the end decorative tile fixture 2, by supporting the ridge part 1 by the ridge core material 6, by supporting the ridge core material 6 in the ridge direction in a ridge part structure of the tile roof. The end decorative tile fixture 2 is composed of the installing piece 50 installed on and fixed to the ridge core material 6, an end decorative tile installing part 51 detachably installed and fixed in an installation hole 9 of the end decorative tile 3, and the connecting bolt 52 for connecting the connecting piece 53 and the installing piece 50 formed in the end decorative tile installing part 51 so that the height can be adjusted by fastening of a nut 55.