Plants with specific salt - tolerant capacity axe called salt - tolerance plants, and they can live under saline conditions by different adapting manner such as salt excreting, salt diluting, salt refusing and salt tolerating. Up to now,approximate 1560 species of halophyte were recorded in the world, of which 502 are found in China. Many of them have important economic values for using as food, raw materials in textile, brewage, construction, medicament and chemical industry. Salt - tolerance plants also have significant effects on agricultural environments such as improving soil fertility, adjusting microclimate and maintaining ecological balance in agro - ecosystems, particularly in saline soil regions. Many experiments in China indicated that cultivation of salt - tolerance plants could not only increase soil organic matter and improve soil physical and chemical properties such as decreasing bulk density to accelerate salt leaching from saline soil, but also decreased salt accumulation on soil surface through reducing water evaporation, removing salt from soil by plant harvest and decwa~ing water table. Thus, using salt - tolerance plants could remarkably promote effective reclamation of saline soil for use. in addition, salt- tolerance plants have good influences on environments such as reducing noise and temperature differences, purifying atmosphere, avoiding harm from wind erosion and dry, hot winds. In recent years, 150 species of salt- tolerance plants with higher economical values have been successfully selected and bred by Chinese scientists through domestication, selection, cross- breeding, radiation- breeding, polypoid- breeding approaches. This paper has briefly reviewed the progress made on improving agricultural environments using the salt - tolerance plants in saline soil regions in China. The potential of the major plants for use was also introduced.