Auxiliary device of negative pressure suction pump for ovum collection

The auxiliary device comprises a negative pressure suction pump body, a connecting bin is arranged on one side of the negative pressure suction pump body, a first connecting pipe is integrated on the negative pressure suction pump body, the other end of the first connecting pipe penetrates through the side wall of the connecting bin, a liquid-proof bin is arranged on the right side of the connecting bin, and the liquid-proof bin is connected with the liquid-proof bin. A second connecting pipe and a third connecting pipe are fixedly connected to the liquid-proof bin, the other end of the second connecting pipe penetrates through the side wall of the connecting bin, a sealing block is arranged in the liquid-proof bin, a small electric telescopic rod is arranged above the sealing block, and the small electric telescopic rod is fixedly connected to the inner wall of the top of the liquid-proof bin; an output shaft of the small electric telescopic rod is fixedly connected with a limiting block. The liquid blocking