Multifunction rectoscope

The utility model relates to a multifunction rectoscope, comprising a telescope, an obturator and an observation mirror assembly. The technical proposal is that: an air sac is arranged on the periphery of the telescope front end; a gas-filled tube of air sac is positioned in the telescope wall; the back end of the gas-filled tube is led out from the telescope wall to connect with a gas-filled balloon; a through-hole is positioned on the center of the obturator and a closure plunger is positioned on the back end of the obturator; the observation terminal with side opening of the observation mirror assembly connects with the gas-filled balloon through a rubber tube and a small cross valve; a big cross valve also can be provided; one end of the big cross valve is assembled with the telescope wall though the rubber tube, the other end is connected with a drainage bottle, and the third end is connected with a filling dropping-bottle. The utility model having the advantages of reasonable structure, convenient use, weak patient pain and high observation articulation is an optimal multifunctional medical appliance integrating examination and treatment.