Anti-backflow and anti-leakage enema tube

The utility model relates to the field of medical instruments, and particularly discloses an anti-backflow and anti-leakage enema tube which comprises a protective cover, a fixed sleeve fixed on the protective cover, a movable tube inserted into the fixed sleeve, a round head body on the movable tube, a movable rubber cover, a liquid outlet hole, a liquid storage bag connected with the movable tube, and a movable valve. When the round head body of the movable tube is inserted into the anus of a patient through the protective cover, dirt at a splashing position can be shielded, so that the body of a medical worker is prevented from being splashed, and the environment is prevented from being polluted; a movable rubber cover is arranged at the position, corresponding to the liquid outlet hole, of the side portion of the round head body, when the external pressure intensity is larger than the internal pressure intensity of the movable pipe, the movable rubber cover can be automatically closed on the notch groove