It is very important to have scientifically and quantitatively socioeco nomic impact studies during 2008 Beijing Olympic Games and Olympic trial meanwhi le, it is a weakness at present. Based on reviews of relative literatures, it integrates the s ocial survey and depth interview with VIP customers like BOCOG (Beijing Organization Committee of Olympic Games) and so on bycombining with qualitative and qua ntitative methods. It constructs customer's satisfaction indices, which includes eight multiitems to measure the satisfaction degree of fixed customer group, i.e. realizing and meeting the needs of BOCOG, time and efficient of weather s ervice, social benefit judgment by customers, customer's meteorological manual and dissemination approaches, meteorologist's ability, forecast ac curacy of different meteorological factors, future choice after competitions an d comprehensive impression on meteorological sections etc. It is the first time to put forward the Customer Satisfaction Index of Weather Service (CSIWS). Taking 2006 women's fast pitch world championship as a case study, some quantitatively results are measured. They show that customers satisfy with comprehensive impres sion and endeavors of meteorological bureau. Some disadvantages show that we sho uld try our best to lead and exploit customers' needs, produce various customers' manual and genera l public's weather guidebooks, to improve the hit rate of our official meteorolo gical websites of OG.