The heavy metal contamination in soil is becoming a significant problem of globle environment. Not only can it recede the fertility of soil, degradate the yield and quality of produces, even more deteriorate the nature of water, but also have negative effects to human beings through food cycle. The southeast area of Beijing is one of the five biggest pollution water releasing areas in China. It is reported that some places have the problem of heavy metal contamination. Biological remediation is one of effec...