To provide an agricultural greenhouse which includes a solar panel for photovoltaic generation, and can give a sufficient amount of insolation to the inside of the greenhouse.

The agricultural greenhouse includes: a plurality of columns 11 (11a, 11b) erected in a frontage direction X and depth direction Y, respectively; and a plurality of projecting pipes 19 projecting outward from a side surface S, and arranged in parallel in the depth direction Y. The agricultural greenhouse has an angle adjusting device 40 which is installed in a space between the projecting pipes 19 and the side surface S, and provides a rotating shaft J with the projecting pipes 19. The agricultural greenhouse includes a trestle 30 for fixing a solar panel P to one surface.