The gas geochemical anomalies caused by underground gas releasing during some large earthquakes can be observed using high-resolution satellite remote sensing technology. Monthly CO total column and O₃ total columns background field were obtained using AIRS standard product data in recent nine years (2003—2011) and earthquake cases study were conducted by the method of making differences. The temporal and spacial variations of CO and O₃ distributions were summarized through analyzing the earthquakes with the magnitude more than 7 all around the world since 2003.