The invention discloses a probing and treatment integrated device for an otorhinolaryngology department, which structurally comprises a frame, a detachable microscope hood, a microscope, a tube inletbarrel, a tube storage barrel, a tube outlet barrel, a rotating button and an internal tube outlet device, the rotating button passes through the frame, according to the invention, by accurately obtaining a depth size of a probing tube into an ear, a nose or a throat and combining accurate observation by naked eyes, the detection of the ear, nose or throat of a patient is further improved, and thedetection result is conveniently and rapidly analyzed and processed by medical personnel, a large amount of time and energy of the medical personnel does not needed to carry out tidying and processing, so that the detection and diagnosis process becomes simple and convenient, the work difficulty of the medical personnel is greatly reduced for a long time, meanwhile, the device is simple and convenient to disassemble and assemble, the microscope can be disassembled when simple treatment is carried out, independent probing is achieved, the use is very convenient; and the diameter of the probingdetection tube can be effectively adjusted, so that the discomfort of the patient in treatment is greatly reduced, and the safety guarantee is improved.