Fruit tree seedling protection device

The utility model relates to the technical field of fruit tree protection devices, and particularly discloses a fruit tree seedling protection device which comprises a base, a groove is formed in thebase, a first baffle is clamped in the groove in the opposite side, and second baffles are detachably clamped on the two sides of the first baffle. A ventilation opening is formed in the first baffle,a first protective net is arranged at the ventilation opening, a first through groove is formed in one side of the ventilation opening, and a first movable plate is connected into the first through groove in a penetrating mode; splicing plates are detachably connected to the first baffle and the second baffle. A top cover is arranged at the top end of the splicing plate, a light-transmitting opening is formed in the top cover, a second protective net is arranged at the light-transmitting opening, a second through groove is formed in one side of the light-transmitting opening, and a second movable plate is connected in