Abstract: A screening test on machine-harvesting rationing rice varieties was carried out,the results showed that,‘Yongyou2640’ had the characters of moderate growth period,strong regeneration ability,strong resistance to lodging,strong cold resistance,stable yield,good quality and safety heading in ratooning season,and so on,and it could be as main popularized variety with low stubble height in the area of machine-harvesting ratooning rice cultivation in Pucheng County. ‘Longliangyouhuazhan’ had strong ratooning ability and stable yield but too long reproductive period,and was suitable for remaining high stubble height of ratooning rice in low-elevation area of south part in Pucheng County.