Storage device for sampling under-forest litter

The storage device comprises a storage box, a side plate, a pull rod, a pull rope, a hanging ring and a rope loop, when a net bag needs to be withdrawn through the matching of the pull rope, the hanging ring and the rope loop, the two ends of the pull rope are pulled, the hanging ring is blocked by a baffle and retreats from the pull rope, the distance between the hanging rings is shortened, and the net bag is withdrawn. When the net bag needs to be taken out, the net bag is pulled out, the net bag drives the rope loop, the hanging rings and the pull rope to be pulled out of the storage box, then the hanging rings are moved to increase the distance between the hanging rings, and the purpose of unfolding the net bag and the rope loop is achieved. And when the device is collected, the pull rope is wound outside the storage box, the side plates and the top cover are bound, the integrity of the device is improved, the device is convenient to move, and the device is convenient to move, convenient to place and coll