Abstract: Project team had succeeded in screening linseed cultivar 'Jinya 10 ' which it suitable for cropping in the Midwest of Inner Mongolia. And it was from one of the 13 improved varieties linseed main producing areas of the country in recent years. The above was based on 2 years introduction experiment of the linseed varieties. Varieties comparison experiment showed that it two years average yield was 17.5% higher than that of the output' Jinya 7 ';From 2011 to 2012, 'Jinya 10 's average yield was 8.7% higher than that of the output control ' Jinya 7 ' via multi-point test. From 2012 to 2013, Team members have done a test project “high yield cultivation technology demonstration of 'Jinya 10 ' in QingShuiHe county. Test showed that its average output was 915.0 kg／hm2,a 8.4% increase compared with controls. The team found that 'Jinya 10 ' was high yield, drought resistance, resistance to blight and dry land yield potential after 5 years of experiment and demonstration. And it was suitable in QingShuiHe county and HeLinGeEr county of Inner Mongolia planting on the mountainous upland.