By analyzing the revisal platform’s characteristic and demand of elab orate forecast，the design idea，flow structure and main function of elaborate f orecast platform were described. Based on the similar area reasonably made by fo recast products and the connection of forecast element of the representative sta tion to the other stations in the similar area, and by referring to the objectiv e forecast of refined meteorological factors or the guidance forecast products b y higher levels, the platform completed modification and revisal in high space-t ime density and multiple forecast elemenst in the form of text and figure. At th e same time，the platform also offered technical support for developing elaborat e forecast and realized guidance level by level such as country，province and ci ty’s guidance to revisal of local operation flow.