Six foreign alfalfa varieties and four domestic alfalfa varieties were collected and their compared in this experiment.The results showed that all tested varieties passed over winter safely in 2005.All tested varieties were not significantly different in their height and growth rate.Foreign alfalfa varieties performed much better in branch density and diameter,but there were not significant difference among most of these test varieties.Fresh grass yields of domestic bred varieties were much higher than that of foreign varieties.There were not significant difference in the hay yields between domestic bred varieties and foreign ones with better performance.Leaf mass of all foreign varieties was significantly higher than that of domestic varieties.In dry farming condition,the production performance of foreign varieties was not superior to that of domestic varieties.Quality of foreign varieties was much better than that of domestic ones.It must be totally prohibited to introduce and plant foreign varieties of alfalfa before their adaptability being understood clearly.