To provide a simple razor for removing useless hair in which an edge plate is easily and surely taken out and taken in.

A simple razor comprises a grip main body 1 having short side plate 3 which rise from both the sides of a bottom plate 2, a blade edge plate 11 having a holding plate 13 which protrudes forward through a first thin hinge 12 from the front end face of the bottom plate to expose its edge from the side surface of the front part of the holding plate and a cover plate 21 attached to the upper edge of one of the short side plates through a third thin hinge to open and close the upper surface of the grip main body. A first stop hole 4 is formed on the bottom plate adjacent to the first thin hinge 12. A stop pin 19 formed from the upper surface of the holding plate 13 adjacent to the first thin hinge 12. An engaging plate 24 with a second stop hole 23 protrudes from the front surface of the cover plate 21. When the blade edge plate 11 is housed in the front part of the grip main body, the stop pin 19 is fitted to the first stop hole 4. When the blade edge plate 11 protrudes forward and the cover plate is closed, the stop pin is fitted to the second stop hole 23.