Limited by various kinds of unfavourable factors such as the low quality of the seismic date,and quick variation of the velocity,the precision of highly steep complex mountainous region structure research in kuqa depression can not satisfy the demand of oil and gas exploration.On the basis of finding out the difficult point,continue tackling key problem of seismic acquisition and carry on the integrating of seismic date processing and interpretation.on the same time,chang method,utilizing seismic date.