To facilitate construction works, to reduce man-hours for construction, to improve construction quality, and to materialize a maintenance-free property by eliminating deterioration of a waterproof property caused by deterioration of sealing performance.

In an exterior facing panel structure 1 having the structure that a plurality of exterior facing panels P... are arranged in vertical and horizontal directions of an exterior wall surface W of a building, peripheral parts Pr... of the exterior facing panels P... form a water passage Rw for guiding water. A water receiving guide 2 is provided at a joint part Xc... of the exterior facing panels P... , where the water passages Rw intersect with each other, to receive the water coming from the upside and to guide the water to the water passage Rw.