To provide a tile reinforcing structure which reinforces roof tiles having a stand support set thereon so as to withstand a heavy weight.

In the tile reinforcing structure, the stand support 8 is inserted into a gap between the roof tiles T, T1 mounted on a roof R at front and rear locations in a roof inclining direction Y, and has a proximal end 8a thereof fixed onto a covered surface F covered with the rear roof tile T1 and a fixing means 10 of a solar battery panel mounting stand arranged on a distal end thereof. Then a reinforcing material 11 is filled in a space between the front roof tile T which has the distal end of the stand support 8 set on a rear side of an upper surface thereof, and the covered surface F covered with the front roof tile T, particularly in a cavity corresponding to a predetermined range inclusive of a setting location of the stand support 8 on an upper surface of the front roof tile T and a peripheral area of the same. The reinforcing material 11 conforms in shape to the cavity and has flexibility and cushioning performance.

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