Endoscope specimen fetching bag

The utility model relates to the technical field of fetching bags, and discloses an endoscope specimen fetching bag which comprises a hand rod, a rotating groove is formed in the front end of the outer wall of the hand rod, a connecting column is fixedly connected to the inner wall of the rotating groove, limiting grooves are formed in the front end and the rear end of a column body of the connecting column, and a rotating groove is formed in the middle of the column body of the connecting column. Compared with an existing fetching bag, the fetching bag has the advantages that the rotating wheel is arranged, the rotating wheel is rotated to drive the threaded rod to rotate, the threaded rod is rotated to enable the threaded block to move, the threaded block drives the mounting column to move, and the mounting column drives the memory steel wire to move; and then the diameter of the memory steel ring is controlled, so that the size of the bearing bag folded on the fixing block and the connecting block is adjus