The invention discloses a pipeline cleaning testing and recording device by gas-water pulse. The pipeline cleaning testing and recording device comprises a circulating water supply device, a high-pressure gas supply device, a gas-water pulse generation device, a flushing pipe, a data acquisition device, an image acquisition device and a computer, wherein the circulating water supply device is connected with the flushing pipe; a gas inflow nozzle, a differential pressure transducer, a flow meter and a pressure transmitter are arranged on the flushing pipe, and the differential pressure transducer, the flow meter and the pressure transmitter are respectively connected with the data acquisition device through signal lines; one end of the gas-water pulse generation device is connected with the high-pressure gas supply device through a high-pressure gas pipe, and the other end of the gas-water pulse generation device is connected with the flushing pipe through the high-pressure gas pipe; the image acquisition device and the data acquisition device are respectively connected with the computer through the signal lines. The pipeline cleaning testing and recording device has the advantages of high adaptability, intuitiveness, good repeatability, convenient assembly and good reproducibility, is liable to handle and is convenient and reliable.