To provide a tool box allowing a specific worker permitted to open it beforehand to be opened and a method of storing tools capable of confirming specific tools among the tools stored in the tool box in a short time in the tool box and the method of storing the tools.

This tool box with RF-ID reading function comprises a table in which specific IDs are registered, an ID collation treatment part having a function collating with the ID table and a function collating ID read by a first RF-ID reader with the ID table and when they match each other, emitting an instruction for unlocking, and a key receiving instructions and having a function to unseal the key. A second RF-ID reader for RF-ID card carried by the transmitted ID signal in the tool with the RF-ID tag for confirming the presence of the tool.