Disclosed is a multipurpose mission drone comprising: a plurality of drone bodies (100); a controller (106) capable of controlling the plurality of drone bodies; wing mounting frames (104) coupled to the multiple drone bodies; a plurality of lower frames (105) coupled to the plurality of wing mounting frames (104) to support the ground when a landing is made; a plurality of connection frames (102) formed perpendicular to the plurality of lower mounting frames (105); a plurality of upper frames (101) vertically coupled to the plurality of connection frames (102) to prevent a collision with an obstacle; a module frame (103) which is connected to the plurality of wing mounting frames (104), and to which the controller (106) can be coupled; and a fastening unit (110) including coupling grooves which are detachably coupled to the plurality of frames for connection with the plurality of frames. The multipurpose mission drone further comprises an image photographing and recording device, a prevention device, a radar sensor, and a lamp in the module frame. The controller (106) includes special software capable of composing and analyzing records captured by the image photographing and recording device, and converting the same into a 3D model. The multipurpose mission drone carries out an inspection on the exterior of a lower part of a bridge, and further comprises a frame guard (111) mounted on an outer shell of a propeller to prevent collisions with obstacles during the inspection.
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