The invention relates to a tool storage device in the field of power grid repair, in particular to a multifunctional vehicle-mounted material cabinet. A paying-off cabinet for arranging a wire disc is arranged on one side of a drawer cabinet, a sundry cabinet for arranging sundries is arranged on the other side of the drawer cabinet, tools needed in the power grid repair can be clearly classified, and tools of different categories are respectively arranged at different positions, so that the shortcomings that it is inconvenient to find the tools in the power grid repair process and long time is used are overcome. Different tools are clearly classified, so that the shortcoming that insulation layers of the tools are damaged due to the fact that the tools collide with each other is overcome. Therefore, the tool storage device is convenient to use.