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To measure the applicability of 10m wind field data inverted by ASCAT in Qingdao, we compare the differences between ASCAT coastal wind products and observed 10m wind field data from buoy and island stations. The analysis results show that the ASCAT inversion wind speed is larger and the wind direction is more left than observed wind from buoy and island stations, but the deviation is small. The deviations of the wind speed and wind direction of the ASCAT inversion wind field and the observed wind are 1.6 m/s and -9.6°, respectively. The ASCAT inversion wind field has good applicability in the coastal area of Qingdao, and a more detailed wind field space along the coast of Qingdao. From the comparison of wind speed grading, the weaker the wind speed, the better the satellite inversion wind speed result, and the wind direction is the opposite. The inversion of wind speed and wind direction is better in the evening than in the morning. Seasonal changes have little effect on wind speed inversion, but have a certain impact on wind direction inversion. The wind direction inversion results in autumn and winter are better than in spring and summer. The linear regression correction, comprehensive error, wind speed level error and lifting rail error correction were performed for the ASCAT inversion wind speed, and the linear regression correction result was found to be the best.