Anti-reflux hysteroscope

The invention discloses an anti-reflux hysteroscope, and particularly relates to the technical field of hysteroscopes, the anti-reflux hysteroscope comprises a connecting disc used for supporting, the connecting disc is provided with an anti-reflux inspection assembly, the anti-reflux inspection assembly comprises a mirror tube arranged on the connecting disc, and the outer side of the mirror tube is slidably connected with a spacer sleeve used for blocking. By pushing the spacer sleeve to move on the endoscope tube, the distance between the device and the uterine cavity is filled up, uterine distention liquid is prevented from being exposed, the operation view and operation are more convenient, the cutting piece gathers towards the axis point of the connecting sleeve under the pressure of water flow, then the function of cutting off the affected part is achieved, the cut tissue can be clamped in the connecting sleeve, and the cutting effect is better. And then the catheter is drawn out of the endoscope tube,