Abstract: Typhoon No.2106 IN-FA is the first typhoon ever recorded to land twice in Zhejiang Province.The influencing time, total rainfall during the process and accumulated rainfall at a single station all break the records of landing typhoons in Zhejiang.By summarizing the successful experiences in the transformation and improvement of service thinking, service content and service mode in the decision-making meteorological service of Typhoon IN-FA in Zhejiang, it is concluded that the coordinated text products and on-site reporting products convey progressive and phased service content.In this way, the service rhythm is well modulated and the products present diversified, professional and distinct decision-making meteorological services.Through the digital decision-making meteorological service cloud platform, a digital ecosystem of Zhejiang meteorological disaster prevention and reduction decision-making service is formed to provide real-time online meteorological information services to government decision-makers.The high-quality and high-efficiency decision-making meteorological service has played an important role in the disaster prevention and reduction of Typhoon IN-FA in Zhejiang Province.