The invention relates to a task management system and method. The method comprises ephemeris data management, task management, data panoramic fusion, outfield station task management and comprehensivemanagement. The ephemeris data management is mainly used for generating antenna guide data, and the task management comprises task template editing, task editing, task warning, task state information, historical task query and a task execution engine. The data panoramic fusion comprises data normalization, processing, data and migration, the outfield station task management comprises task editing, task issuing, task state information and historical task query, and the comprehensive management comprises antenna data acquisition, meteorological data acquisition, lightning early warning, equipment control, antenna control and environment monitoring. The method comprises the steps of task automation, task template management, a specific task management process, task engine control, alarm information, monitoring, a lightning early warning process, data processing, a fusion and regulation process and the like. The method has the advantages of diversified data acquisition and evaluation, less manual intervention and high accuracy.