Abstract:With the development of molecular biology, the research of plant salt-tolerance has been extended into many domains, including gene cloning, analysis of gene structure and function and feature of gene expression, etc. Alfalfa is comparatively a more salt-tolerant plant. By cloning the salt-stress-induced genes of the plant, and analyzing the functions of its products, we could not only further our understanding of the molecular mechanism of plant salt-tolerance, but also have an applicable prospect in plant genetic engineering open to us. The present paper summarizes a research on the advancement of salt tress nduced genes.