Under the circumstance of buyer's market, the general core competence of supply chain is radically determined by the core competence of distributors facing customers directly. Based on the analysis of channel management and creation model, the traditional Manufacture-Distributor relationship is discussed including the disadvantages of common distributor Core Competence evaluation. Meanwhile, In this paper, the Logarithm Triangular Fuzzy Number-AHP method is creatively used to evaluate the strategic distributor Core Competence evaluation index system. This method also overcomes some disadvantages that experts can directly give definite numbers when the traditional AHP method is used to value certainty and measure the qualitative index. More important, it is a scientific qualitative and quantitative evaluation tool. Then the real cases are researched based on all discussions above.