Thisbookistheproceedingsofthe5thAnnualConferenceonFuzzyInfor- tionandEngineering(ACFIE2010)fromSep. 23-27,2010in Huludao, China. The conference proceedings is published by Springer-Verlag (Advances in - telligent and Soft Computing, ISSN: 1867-5662). Thisyear, wehavereceivedmorethan191submissions.Eachpaperhas- dergonearigorousreviewprocess.Onlyhigh-qualitypapersareincluded.The 5thAnnualConferenceonFuzzyInformationandEngineering(ACFIE2010), built on the success of previous conferences, the ACFIE2005 (Guangzhou, China), is a major symposium for scientists, engineers and practitioners in China...