Adjustable endoscope eyepiece system

The utility model provides an adjustable endoscope eyepiece system which comprises a main body, a sleeve, an eyepiece barrel, an outer tube and an eye patch. The eye patch is located at the tail end of the outer tube, the outer tube comprises an outer tube convex ring which is fixedly connected with a main body convex ring of the main body, the sleeve is located inside the main body, and the lower end of the sleeve is connected with the main body. The eyepiece barrel is located in the sleeve, and the lower end of the eyepiece barrel is fixedly connected with the upper end of the sleeve. The eyepiece barrel comprises a barrel body, a deformable slot and an eyepiece, the deformable slot is located on the barrel body, and the eyepiece is located in the barrel body. The adjustable endoscope eyepiece system has the advantages that the deformable slot is located on the eyepiece barrel, the strength of the barrel body is reduced, and the front end of the eyepiece system can be bent to be deformed, so that the observation direction of the eyepiece is adjusted, and multi-angle observation is facilitated.