Seed seedling raising box with seedling raising plate convenient to take out

The seed seedling culture box comprises a culture box body, a culture tray, a water tank and an ultraviolet lamp, ventilation openings are formed in the two sides of the outer portion of the culture box body, sliding rods are fixedly connected to the two sides of the bottom end of the inner portion of the culture box body, and sliding blocks are slidably connected to the outer portions of the sliding rods; and one side of the sliding block is fixedly connected with a first spring, the top end of the sliding block is fixedly connected with a bottom plate, and one side of the bottom plate is fixedly connected with a box door. The inserting grooves are formed in the two sides of the cultivation tray, when the cultivation tray is inserted into the box door, the positions of the box door and the cultivation tray can be fixed by inserting the inserting rods movably connected in the box door into the inserting grooves in the cultivation tray, and when the cultivation tray containing seeds needs to be replaced quickl