The interpreters' professional ability indicators were mainly collected by literature review, experts' questionnaire. Fuzzy Delphi Method was used to extract the experts' opinion from the government and academic units. Then the weights of the indicators were calculated through the use of Analytic Hierarchy Process (AHP). The proposition of the interpreters' professional ability indicators will provide the evaluation tool for the interpretation service issues and assist in providing references for units. The first stage of the Fuzzy Delphi Method to construct indicators, experts and scholars after two rounds of screening, indicators of their ability to explain professional items and 33 questions to determine the problem; the second phase of the AHP of the questionnaire on the whole the results of its survey the first level indicators to "professional attitude" (44.90%) of the highest weights, that most experts believe may have a good explanation, we must first have a professional attitude; the second level in the "expertise" in to "explain the educational effectiveness" (10.86%) were the most important; in the "navigation skills" in order to "explain the skills and ability" (11.12%) were the most important; in the "professional attitude" with "professional performance" (27.19%) is the most important, which can be explained that in the process, must have good ability to explain the skills and professional attitude, but also allow visitors to not only visit the exhibition has also been inspired by education knowledge.