This paper summarizes recent advances and characteristic in the study of the environmental quality criteria of lead and cadmium in soil both by experiment on eco-logical and environmental effects and by method for soil eco - geochemistry. It was discussed by the angel of soil eco-geochemistry , geochemistry and eco - toxicology. The different researches have been compared by both domestic and abroad china. Taking many examples aimed at different goals, the author has shown the advance on how to decided environmental quality criteria of lead and cadmium in soil. In order to beautify the soil environmental quality standard , some basic data have been given .