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With the development of the Grid computing, increased attention is paid to services and user personalization. How to search and schedule the most suitable service for an end user direct affects the popularization use of service oriented Grid. Inspired from the mode of web search engine, such as Yahoo, Google, this paper proposes an innovative service searching and scheduling algorithm (SPSE: Service Providers Search Engine) for the Grid. The SPSE sorts all services from Internet and returns the most appropriate ones to the end user. Compared with the existing scheduling algorithms, our method is much more flexible in meeting user's QoS requirements, especially supporting the multiobjective and user personalization. The related simulation experiments show that our method performs well in scalability, and can capture user's preferences value precisely and automatically.