A detachable endoscope includes: an operation part for operating the front end of an insertion part having a lighting photographing part to be bent and a detachable unit for detachably coupling the operation part and the insertion part, wherein the detachable unit includes: a first detachable module connected to first, second, third, and fourth operation wires arranged parallel to each other so that the respective one ends are connected to the front end inside the insertion part and provided on the rear end of the insertion part, a second detachable module connected to first, second, third, and fourth connection wires of a direction conversion part for converting a rotational motion into a linear motion in the operation part and provided on the front end of the operation part, and a bending control part for adjusting an angle at which the front end of the insertion part is bent and displaced vertically or horizontally.