Abstract:The data of automatic weather stations as the original data in the Ground meteorological observation systems , has been the important basis to keep the Meteorological Operations working smoothly. Therefore how to ensure that the real-time data of automatic weather stations uploads timely and accurately, becomes the focal point of the ground meteorological observation . This article analysises the main factors effecting the data transmission quality of automatic weather station and puts forward corresponding emergency treatment measures. At the same time, we hope to make a discuss with other colleagues about how to improve the data transmission quality of automatic weather station.