Disposable conjunctival sac irrigation water receiving bag

The utility model relates to an ophthalmologic operation assistant device, in particular to a disposable conjunctival sac irrigation water receiving bag. The disposable conjunctival sac irrigation water receiving bag comprises a water receiving bag body with an opening in the upper end, wherein the water receiving bag body is made of a plastic film. An opening supporting strip is arranged at the position, close to the bag opening, inside the water receiving bag body and made of a metal material capable of being bent and shaped. A bag opening extension section is arranged at the upper end of one side of the bag opening, a skin protection film is connected to the back face of the bag opening extension section, a notch matched with the eye structure is formed in the upper end edge of the skin protection film, and an arc-shaped tearing opening is formed in the side edge of the skin protection film. The skin protection film connected to the back face of the bag opening extension section makes direct contact with the skin of a patient, is high in stickiness and toughness and not prone to falling, and can protect the skin and avoid the situation that the skin of the patient is injured in the tearing process and the patient feels discomfortable; the notch formed in the upper end edge of the skin protection film and matched with the eye structure makes close contact with the eye, so that collection of irrigation fluid is facilitated, and leakage of the irrigation fluid is reduced; the water receiving bag is disposable, so that cross infection is avoided.