The invention relates to a method for analyzing vibration performance of a single screw compressor star wheel. The method comprises the following steps: step 1, configuring a super-wavelet space; step 2, determining an interpolation function; step 3, determining a vibration model of the single screw compressor star wheel; and step 4, configuring a star wheel vibration super-wavelet finite element model; the inherent frequency and the corresponding vibration mode of the single screw compressor can be obtained according to the configured super-wavelet finite element model so as to verify the accuracy of the super-wavelet finite element. Meanwhile, the influence factors for the vibration performance of the single screw compressor are researched; the influences of the star wheel thickness and the diameter ratio of the single screw compressor on the vibration performance index are discussed separately; the analysis precision and the analysis speed for the vibration performance of the single screw compressor star wheel can be improved through the super-wavelet finite element, so as to provide a favorable theoretical basis for designing the single screw compressor star wheel.