The solution of goods to person picking system provided by Beizi technology is composed of multi-layer shuttle cars, high-density shelves, picking workstation and conveying equipment. It realizes goods to person picking through unified management, scheduling and optimization of information system. The multi-layer shuttle has ultra-high processing capacity, which is an ideal platform for caching and sorting. It is connected with the picking workstation to automatically access goods and operate accurately and efficiently. With a 2:4 configuration, the picking workstation can process 4 independent orders at the same time, which improves the efficiency of staff's zero picking. Each workstation can complete 500-1000 picking tasks per hour.