To provide a hair cutting tool for helping cut hairs inside the ear or the nose without damaging the skin by blades with a simple structure and helping keep the inside of the ear or the nose clean.

The hair cutting tool comprises a cutting part 2 and a handle part 3 provided on one end of the cutting part 2, wherein a plurality of the blades 6 are disposed along a protector 5 in a longitudinal direction and in a tangential direction of the circumference inside the protector 5 formed by a wire or a plate body being screw-cylindrically wound or a mesh plate being cylindrically wound and the edge 7 of each blade 6 faces in the same direction. Putting the protector 5 inside the ear or the nose and rotating or turning the same in one direction enable the cuts of the hairs by the blades 6.