Abstract: A new qualitative identity method—raman spectrometry was provided against the shortage of current qualitative identity method of textile fibers in the paper. The normalized standard spectrograms with higher SNR were achieved by pretreating the raw raman spectrogram, based on the property analysis of raman spectrograms of textile fibres. So the qualitative analysis of textile fibres was realized. The results showed that the textile fibers can be qualitative identified quickly by raman spectrometry, with no special requirements of temperature and humanity , no drying process, and advantages of simplicity, speediness, and protecting environment, expecially for the synthetic fibres and their blended fabrics. The test result was influenced mainly by Fluorescent dyes, some black dyes, and melting point of fibre.