The purpose of this research is to establish the evaluation indicators in workshops about principal professional development referring to the concept of balanced scorecard, and to analyse the indicators. The establishment of the evaluation indicators consists two parts, which are items development and relative weight system. For establishment of the indicators which was conducted with literature analysis, Fuzzy delphi method and analytic hierarchy process. Samples were drawn from educational scholars, principals, and administrative personnel. Based on the results of the research, the conclusions are: 1. The evaluation Indicators can be divided into four area, ten strategies and thirty indicators. In four areas of the evaluation indicators from high to low, Learning and Growth occupies the highest position, Customer, Processes and Financial. 2. The evaluation indicators system emphasizes on learning and growth dimension , especially the indicator - Course content lead to principles approaching the core of problems from multiple perspectives and elevating the ability of innovative thinking. 3. The evaluation indicators system didn’t emphasize on financial dimension, especially the indicator – Make workshop benefit assessment, and plan appropriate budget planning. Based on the results of the research, the suggestions are summarized as follows: 1. Continually to promote the plan about principals’ professional development and enhance their problem-solving ability. 2. To strengthen financial management of principal professional development workshops for improving performance.