Abstract: Importance and necessity of developing standardized agricultural machinery industrial production line were expounded.Development status of agricultural machinery industrial production line at home and abroad was introduced.Problems and gap of agricultural machinery industrial production line construction process in China were analyzed.Trend was put forward that agricultural machinery industrial production line would develop from quantity growth toward to improve quality and technology level，and the key was to realize standardized production for non-standard parts.It provided theoretical basis for further development of agricultural machinery industry production line in China.