Water-saving irrigation facility for vegetable greenhouse planting

The water-saving irrigation facility for vegetable greenhouse planting comprises a greenhouse body, supporting rods are arranged on the two sides of the greenhouse body, a water guide plate is arranged at the top ends of the supporting rods, a water collecting pool is arranged on the side walls of the tops of the supporting rods and located below the water guide plate, a water drainage hole is formed in the inner wall of the bottom of the water collecting pool, and the water drainage hole is communicated with the water drainage hole. Water tanks are further arranged on the two sides of the greenhouse body, the tops of the water tanks are communicated with the water drainage holes through water drainage pipes, and filtering assemblies are arranged in the water tanks. According to the greenhouse, in rainy days, rainwater on the roof of the greenhouse body is divided towards the two sides, gathered into the water collecting pool through the water guide plate and then enters the water tank through the water drain