With the development of Internet‐based applications, an era of big data brings changes in the field of information management. In the new era, "Internet + government services" is the necessary course of the digital government and the inevitable choice of the service-oriented government. This article focuses on developing a more effective evaluation method for the construction of government affairs websites. A comprehensive evaluation method based on the fuzzy hierarchy process (AHP) is introduced and applied to the analysis of a government portal website in Leshan, a major city in Southwest China. The proposed method incorporates the index system developed by the government and adjusts index weights based on actual local conditions, which has shown outperformed to both the simple weighted‐sum method and the traditional AHP method.