The Shanghai Cooperation Organization (SCO) Qingdao summit (hereinafter referred to as the Qingdao Summit) was held in Qingdao from 9 to 10 June 2018. Great demands were placed on fined meteorological services by pre-preparation, operation and opening ceremony of the Qingdao Summit. Qingdao Meteorological Bureau improved the meteorological comprehensive monitoring system of the conference venues and the surrounding areas by upgrading automatic stations, constructing floating ball offshore observation stations, and starting satellite intensive observation. The short-term forecasting system, nowcasting system, and objective forecasting system of sea fog were localized. The case database of high-impact weather has been set up and the fined and seamless forecasting of the sky condition, visibility and precipitation has realized. A production platform for gridded forecast products, a display service platform, and a mobile App for the Qingdao Summit were developed in order to provide the package service of monitoring, forecasting, efficient production and distribution of the forecast, and early warnings. At the same time, the network security and operation were guaranteed. The professional service team was set up, who made full use of the latest scientific and technological achievements, confirmed service priorities, defined responsibility subjects, adhered to the scientific service strategy, and provided fined meteorological services for relevant officials and preparatory units of the summit through various ways such as service website, on-site service, telephone, consultation, and fax. Finally, the meteorological support task of the SCO Qingdao Summit was successfully completed.