The utility model discloses a festival section case roof beam automatic spraying system belongs to case roof beam maintenance of equipment technical field, the utility model discloses a pedestal, be provided with the piping erection support on the pedestal, still include one -level clean water reservoir and second grade clean water reservoir, the one -level clean water reservoir sets up under the slope is 0.02 pedestal, the second grade clean water reservoir is linked together with the one -level clean water reservoir, be provided with the immersible pump in this second grade clean water reservoir, the immersible pump passes through control circuit and links to each other with the time -recorder, the delivery port of this immersible pump passes through pipeline and links to each other with the spray piping, this pipeline all is fixed in on the piping erection support with the spray piping, the spray piping symmetry sets up in section both sides of section case roof beam. The utility model discloses a predominant use is circulated reciprocal realization timed spray, satisfies in the health preserving phase festival section case roof beam surface to moist requirement, and can at utmost reasonably utilizes water resource.