Vertical lifting small three-dimensional storage system, the materials are placed in the standard tray, the tray is sent to the specific position of the storage body through the intermediate lifting device, and the standard tray can be customized into different forms according to the actual material size and nature to meet different industries. Demand. The tray can be equipped with scattered spare parts, documents, tools, electronic products, medicines, or large-quality parts. It can also control the temperature, humidity and light in the library to form special libraries for different purposes, such as spare parts and documents. Library, tool library, drug library, constant temperature and humidity library, cache library, etc. When multiple intelligent storage devices are placed in a centralized manner, a comprehensive large-scale intelligent storage system can be formed. Similarly, a single intelligent storage system can also place different types of cargo trays and form a comprehensive storage system.