To provide a drill bit fixing tool with very high safety which can make boring with no risk of damaging the material whichever it consists of, allows boring certainly in the desired position, can produce a hole perpendicular to a ceiling, wall, floor surface or any slope, and can prevent sputtering of chip powder or flake.

A drill bit fixing tool includes an insert hole 1 in circular shape and a fixing pipe 2 to guide a drill bit, and thereunder a heat radiating hole 5 is provided, and a pressure-sensitive adhesive tape 4 is affixed to a drill bit fixing plate 3 at the bottom of the pipe.