The effects of the amplifier spontaneous emission noise and the cross phase modulation in WDM on dispersion mamanged soliton (DMS) are theoretically analyzed. Based on the variational method, the mean square frequency shift, timing jitter and bit error ratio of dispersion managed soliton are obtained. For reducing mean square frequency shift of these perturbations, we also fix on the characteristic parameters of compensated fiber and compare three proposed schemes on the performance of DMS, these results can be used to optimal allocated dispersion managed soliton system.