In order to suppress the wind turbine clutter (WTC) in CINRAD, the statistical analysis of 5 characteristic quantities from radar base data is present. The WTC has higher reflectivity uplift and horizontal channel SNR (signal-to-noise ratio) uplift and bigger singular velocity, the signal quality index is close to 1, and the spectral width is close to 0 or greater than 7.0 m·s^-1. Based on the statistical results of characteristic quantities, the fuzzy logic algorithm is used to identify the WTC from the base data. The identification results show that the WTC can be effectively identified from the meteorological precipitation echoes and the fixed ground clutter by the fuzzy logic algorithm. Then the regional average interpolation is used to suppress the identified WTC from the base data. The clutter suppression results show that the WTC suppression effect is better in the case of meteorological precipitation.