Abstract: Domestic harvester has gradually developed and matured through initial introduction, imitation, and innovation．At present, harvester industry has been in a new stage of market depth adjustment, industrial innovation and transformation, and product upgrading．Industrial policy, product variety, standard system, market situation and development trend of harvesting machinery were introduced．Through statistical analysis of state supervision and sampling check qualification rate of rice-wheat combine harvester and maize combine harvester over the years and main unqualified inspection item, overall quality of harvester products under national supervision and random inspection was summarized．Main causes of unqualified harvesting machinery in state supervision and sampling inspection were analyzed, and specific suggestions for development of harvester industry were put forward．