Abstract: Water distribution characteristics are important technical parameters to measure the quality of water saving irrigation. In order to find out the test method and judging standard of water distribution uniformity coefficient of micro-sprinkling hose, a detection method of water distribution characteristics of micro-sprinkling hose was studied based on the detection method of rotating sprinkler water distribution characteristics. The water distribution uniformity coefficients of several typical micro-sprinkling hoses were measured by the detection method. The results showed that the water distribution uniformity coefficients were lower than that of rotating sprinkler. The largest water distribution uniformity coefficient of micro-sprinkling hoses was 78.34%, and the lowest one was only 24.55%. The main factors which affected the water distribution characteristics of micro-sprinkling hose were analyzed. According to the water distribution characteristics, micro-sprinkling hoses should be classified into three types, which can application in different situations.