In America, accreditation of higher education has a long history and formed it s own features.

This paper has conducted the comparative research on the related questions of Chinese and American higher education accreditation from such aspects as motivation,contents,function,organization,and process.

The purpose of institution accreditation of American higher education is institutional self-policing with the help of the accreditation agencies to realize institutional missions and goals.

This paper uses for the succeed experiences of educational accreditation institution in USA as reference,discusses the efficacious approaches,which builds actualizing mechanism as the core and builds the related institution,culture and teams gradually,to construct the socializing educational accreditation institution in China.

From the view points of education,government,society,public and accrediting agency,this paper analyzes the implementing mechanism of accreditation,expatiates the function value of educational accreditation institution of USA,which include: regulation criterion and thruster,middle agency and cushion valve,commissioner and informational agent.