To provide a weed prevention slope protection solar mat capable of having not only a power generating function but also weed prevention effect as well and being installed on a slope along the road such as an existing remote place in the mountains or the like and a slope or the like of land developed for housing lots irrespective of time and site.

The weed prevention slope protection solar mat includes a resin sheet bent in conformance with the unevenness of the installation surface, solar cell panels mounted on the resin sheet at predetermined intervals and electric wiring electrically connecting the solar cell panels. The solar mat is installed on a retaining wall and other slopes to have the supply of power generated by the solar cell, and it is installed on the retaining wall of the resin sheet and other slopes to prevent weeds on the slope.