Biopsy hole plug cap

The utility model discloses a biopsy hole plug cap which comprises an endoscope and a plug cap assembly, a plug hole pipe is arranged on one side, close to the top, of the endoscope in a communicatedmode, the other end of the plug hole pipe is detachably connected with the plug cap assembly, the plug cap assembly comprises a straight pipe and a connecting sleeve, and the straight pipe and the connecting sleeve are located on the two sides of the plug hole pipe. According to the utility model, biopsy forceps can be inserted into the straight tube; the biopsy forceps are gradually inserted; thesealing block can be contacted; the top of the sealing block is of a concave structure; the plurality of valve bodies are separated from each other; when the valve body moves, the valve body is opened; a pressing rod extrudes a spring through a pressing plate; when the biopsy forceps pass through the sealing block; according to the biopsy forceps, the multiple valve bodies can be tightly attachedto the biopsy forceps, the