Abstract: According to the characteristics of high noise, short duration and nonlinear of freezing vertical shaft blasting vibration signal in practical engineering, the method of EMD-DFA （Empirical Mode Decomposition-Detrended Fluctuation Analysis） combining de-noising method is proposed. Four indexes were used to evaluate the de-noising effect of EMD-DFA, EMD and EEMD, wavelet threshold and wavelet entropy. The results show that: the blasting vibration signals including strong noise pollution by using the combined method of EMD-DFA de-noising, SNR and cross-correlation is the highest, the corresponding error is minimum, the de-noising signal retains the transient characteristics of non-stationary signal blasting, de-noising effect is optimal.