Deinsectization device for greenhouse vegetable planting

The utility model discloses a greenhouse vegetable planting deinsectization device which comprises a liquid storage box, a collecting box, a lampshade and a spraying assembly, the liquid storage box is fixedly installed below the collecting box, the lampshade is fixedly installed above the collecting box, the spraying assembly is arranged above the lampshade, a liquid drainage pipe is arranged at the bottom of the liquid storage box, and the section of the collecting box is in a funnel shape and is large in upper portion and small in lower portion. A filter screen is arranged in the middle of the collecting box, the spraying assembly comprises a liquid inlet pipe, a spraying head and an electromagnetic valve, the electromagnetic valve is installed on the liquid inlet pipe and controls circulation of mosquito repelling liquid, the mosquito attracting lamp emits light to attract mosquitoes to the outer wall of the lampshade, then the electromagnetic valve is opened, the spraying assembly sprays the mosquito rep