Liquid-gas integral suction device used in operation

The utility model discloses a liquid-gas integral suction device used in an operation, which comprises a suction device and a negative pressure supplying device. The improvement is that the suction device is provided with a gas suction pipe, the gas outgoing end of the gas suction pipe is connected with the negative pressure supplying device, the gas incoming end of the gas suction pipe is positioned at the middle part of the suction device, and the negative pressure supplying device respectively supplies different negative pressure to the suction device and the gas suction pipe. The liquid-gas integral suction device has the beneficial effects that liquid and waste gas smoke can be simultaneously removed, and further, the iatrogenic injure can be avoided.