The invention discloses a billboard management system and a billboard management method, wherein the system comprises: a basic configuration module, which establishes a data interface with the system, performs debug on process faults, inputs models, fascicules, working procedures, process steps, assorted tables and key working procedures, and maintains correlative information of a structure tree; a material warehouse module, which manages material assorted information, performs material distribution, warehousing and ex-warehouse management, and finishes allocation management of the materials between models; a process management billboard module, which is used for achieving temporary process documentation and process modification, solving on-site technical problems and compiling process rated details; a production plan management module, which is used for finishing production flow design and production route design, and establishing and adjusting or distributing a production arrangement plan; a workshop operation plan billboard module, which generates an intraday task list according to a scheduled production plan and distributes the task list to each working position billboard for instructing the intraday work; a execution billboard module, which finishes plan decomposition and appoints the starting time and ending time of the plan for each working procedure task, inspects the completed working procedures in the system at the first time when the working procedures are completed, and fills in inspection records and prints assembling process cards; and an on-site inspection module, which fills in quality control cards of the key working procedures and manages a single closed loop for soling the technical problems. The billboard management system and the billboard management method optimize the general assembly working mode and the production flow and solve various links unadaptable to a batch production mode in the process of the general assembly currently.