Abstract: Coix is one of the important crops in Guizhou.Research and development of Coix harvester which suit present of Guizhou agriculture has very important significance to reduce labor intensity，improve efficiency of seed harvest and improve economic strength of Chinese farmers.Research status of Coix harvester was analyzed.The types of Coix harvester and their advantages and disadvantages were discussed，combined with present situation of Coix in China，and development trends of Coix harvester will proposed toward large-scale，specialization and intelligence.It offers a reference to improve Coix harvest mechanization level.