Insect prevention device for seedlings

The utility model discloses a seedling insect prevention device which comprises a frame structure and an insect prevention structure, the frame structure is provided with a plurality of connecting rods, two-way connecting sleeves and three-way connecting sleeves, and the connecting rods are in butt joint through the two-way connecting sleeves to form transverse rods and longitudinal rods. Firstly, the frame structure is assembled into a rectangular frame structure through mutual matching and butt joint of the connecting rods, the two-way connecting sleeves and the three-way connecting sleeves, disassembly, assembly and fixation are convenient, frame structures of different sizes can be assembled according to different place environments, meanwhile, the device can be reinforced through the arranged reinforcing structure, and the device is convenient to assemble and disassemble. And then the insect-proof mesh bag is installed on the outer surface of the frame structure in a covering mode, and therefore mosquito