6518 accessions of proso millet germplasm resources collected from 14 provinces of China were tested for salt tolerance in the seedling development stage.Among the samples tested,22 and 120 accessions were classified into the most tolerant and tolerant categories according to the 5 degrees classification criteria respectively,which make up 0.34% and 1.84% of the total samples in the research.The results of the present study facilitate further research and breeding of salt tolerant cultivars of proso millet.