The invention discloses a detachable unmanned aerial vehicle and belongs to the technical field of unmanned aerial vehicles. The detachable unmanned aerial vehicle comprises a fuselage, second detaching assemblies, a first detaching assembly, a signal positioning assembly, a rotary wing power assembly and a quick detaching assembly, wherein the fuselage comprises a shell and a body, the interior of the body is of a hollow structure, and the body is provided with at least one mounting port; the second detaching assemblies detachably connect the shell to the body, and the shell covers the mounting ports; the first detaching assembly is fixed on the body; the signal positioning assembly is fixed on the shell; the rotary wing power assembly is fixed on rotary wing shafts and comprises at least one electronic speed control; and a first rotary wing is fixed on the rotary wing power assembly in a rotating manner by virtue of the quick detaching assembly. The detachable unmanned aerial vehicle solves the technical defects that when a to-be-mounted device in the fuselage is replaced or maintained, the operation is tedious, the efficiency is low, and a cloud terrace is easily collided in the prior art.