As an important measure to promote the benign development of regional economy, attracting investment has got extensive attentions from governments at all levels.However, it is still an unsolved problem to conduct a comprehensive assessment on the regional investment environment in the perspective of attracting investment. Therefore, this paper presents an comprehensive evaluation method based on Fuzzy Analytic Network Process(fuzzy ANP) which has a strong theoretical and practical significance.This method is scientific and feasible,specifically,compared with previous work,the method proposed in this article can effectively analyze the complex relationship about Interdependence and feedback between systemic factors and this advantage could be considered as a core innovation in this research.