This paper is based on the business technical standers of meteorological disaster warning signals and Combined with the problems existing in the actual business， taking the rainstorm as an example， a technical discussion is made on the issues related to the release of meteorological disaster warning signal， such as issuing standard，release level and time selection， effective time interval，follow-up response， quality inspection， short-term and near forecast and decision-making service， which is a guiding significance for the establishment of standardized and rigorous meteorological disaster warning signal release business.