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An introduction is made to the information exchange mode of receiving and sending information in cell broadcast and the principles of Web Service. Through analyzing the working flow of sending information in cell broadcast towards some given areas or cell grids and the methods of receiving the current population distribution data within the grids, it is proved that the method of receiving and sending information in cell broadcast with Web Service is feasible and efficient. The application and prospects of receiving and sending meteorological service information in cell broadcast with the Web Service technology in the meteorological field are also discussed.