To provide a tile fixture capable of eliminating the risk of falling of a tile even in strong wind and an earthquake, simplifying fitting, and providing a long-term durability.

This tile blown-off prevention device for preventing a roof tile from being blown off by hooking it on the tile comprises a base part 21 held between a roofboard 8 and a batten seam 10 laid on the roofboard 8, a tile upper edge locking part 24 provided on the upper side of the base part 21 continuously to the base part 21, and a tile lower edge locking part 29 provided on the upper side of the tile upper edge locking part 24 continuously to the tile upper edge locking part 24.