Communication　technology　has　been　developing　at　a　rapid　speed,　and　mobile　phone　usage　is　nowpopular　At　the　same　time,　mobile　phones　are　considered　not　only　as　a　simple　communication　device,　but　also　as　a　device　with　extra　functionality.　In　fact,　mobile　phones　are　now　developing　into　a　digital　information　terminal.　A　Typhoon　forecast　negotiation　system　is　a　special　kind　of　group　decision　support　system,　which　enables　meteorological　experts　to　take　part　in　the　typhoon　forecast　process　on　a　uniform　platform.　This　article　analysed　the　workflow　of　a　typhoonforecast　negotiation　system　on　a　mobile　platform,　andputforward　a　general　design　and　implementation　based　on　the　J2MEplatform.　The　platform　included　three　basic　elements.　UI,　key　input　and　mobile　network　communication.　This　article　researched　the　communication　interface　protocol　between　server　and　client,　and　put　forward　a　mobile　service　framework.　Moreover,　this　article　introduces　the　design　and　implementation　of　the　client　component,　server　component,　cooperative　work　model,　image　transfer　process.　©　2008　IEEE.