The invention discloses a heat exchange tube background noise measurement method. According to the heat exchange tube background noise measurement method, calibration eddy current signals are collected and normalized; tube end identification is performed, and a measurement range is determined; segmented measurement interval length is set, background noise measurement is performed on each interval; a maximum noise amplitude and an average amplitude in a measurement window and each measurement interval are calculated; the maximum signal-to-noise ratio and the average signal-to-noise ratio of each measurement interval are determined; and the background noise measurement of an entire heat exchange tube is completed. With the method adopted, the noise of a pipe material itself can be effectively measured; during manufacture, a manufacturing method and process are improved through the method; and the measurement method can verify that the pass rate of the background noise of the heat transfer tube can reach 100%; and a criterion for judging whether a pipe is qualified can be established according to a large quantity of test results.