Tool storage system of computer numerical control (CNC) machine tool

The invention provides a tool storage system of a computer numerical control (CNC) machine tool. The tool storage system comprises a tool storage assembly, a tool storage moving assembly and a base; the tool storage assembly comprises a tool disk and a tool storage moving seat, and a plurality of tool placing holes are formed in the tool disk arranged in the tool storage moving seat; the tool storage moving assembly comprises a power unit, a transmission unit and a guide unit, and the transmission unit is connected with the tool storage moving seat; the power unit is used for driving the toolstorage moving seat to move, and the guide unit is used for controlling the moving direction of the tool storage moving seat; and the base is used for fixing the power unit and the guide unit. By means of the tool storage system of the CNC machine tool, the storage of a plurality of tools can be achieved, the expansion of tool storage can be facilitated, and the tools can be switched rapidly. 本发明提供一种数控机床刀库系统，包括：刀库组件，所述刀库组