The users of financial statements of companies level capital market always need reliability and timeliness disclosure of accounting information in order to make appropriate decisions for investment.But creative accounting,as one of information distortion procedures in accounting, can affect such expectations capital market.Therefore this study,by identifying the dimensions of creative accounting, it is tried to explore its key functions level of capital market companies.This study is considered an exploratory and developmental methodology based combined data collection processes.Therefore the qualitative part, creative accounting dimensions were identified through thematic analysis,and reliability identified dimensions was examined based fuzzy Delphi analysis.Then quantitative part, through Todim's fuzzy inference.The most central dimension creative accounting at the level of capital market companies was identified.The participants in the qualitative part were 12 accounting experts based theoretical saturation point limit, and quantitative part, 25 financial managers capital market companies participated.The results this study the qualitative part showed that during 12 interviews, 3 overarching themes, 6 organizing themes and 29 basic themes were determined.The results in quantitative part determined based Todim's fuzzy analysis, the criterion ownership function is considered the most important axis creative accounting,which can make possible occurrence of distortion and manipulation accounts financial statements of capital market companies.The obtained result is indication of the fact that, due weakness in effectiveness board directors,such as size and lack independence,specialized supervision accounting unit is usually not carried out observe the rights beneficiaries,and under such conditions, creative accounting usually occurs meet the needs owners.Power and violation of the rights other beneficiaries is possible.