The utility model discloses a novel gas flow pump which comprises a pipe body, wherein a first connecting end and a second connecting end are arranged at the two ends of the pipe body, a fan is arranged inside the pipe body, and the power supply lead wire of the fan penetrates out of the wall of the pipe body. The novel gas flow pump provided by the utility model enables gas in tests to be stirred better and mixed uniformly, has high efficiency, and can be used together with instruments requiring the mixture of trace gases, such as a water splitting hydrogen manufacturing system, a CO2 reducing and photoactivating system and the like.