B85HP single track pallet conveying system, by combining the single track B85H system and various mechanisms to achieve stable pallet conveying. The maximum load of a single pallet is 10kg, and there are a variety of pallet sizes to choose from to match the required product size. The optional standard modular mechanism can be very simple and fast to complete a simple and reasonable overall layout, which can perfectly realize the distribution, buffering and positioning of the workpiece. The tray can be equipped with RFID, which can effectively trace the product.