Nowadays, top-notch climate service is an important guarantee for the success of Olympic Games. In order to make the 2008 Beijing Olympics the best in history, the Key Technologies R&D Programme has set up a special S&T project for Olympics, one of which is the “Climate Technology Guarantee Research for Olympics”. Through the efforts of China Meteorological Administration during the 10^th Five-Year Period (2001-2005), the research has recently passed the acceptance check and will provide S&T support for the weather service of the 2008 Olympics.