Abstract：The paper analyzed the feature of seismic multi-component data in different areas and summarized the factors affecting the data quality into five categories: environmental,surface,underground geological factors,acquisition method and instrumental factor.These factors of influence existed in various work areas,but with different level.Using graphic pattern,the paper showed the affecting degree of these factors on seismic multi-component data quality and presented some improved method purposefully,which has certain referential meaning for acquisition,analysis and processing of seismic multi-component data.
