The invention discloses a method for evaluating the indexes of a hydroelectric production management system. The method is characterized by comprising the following processes of: (1) defining index items; (2) defining an index plan, and maintaining the index plan; (3) defining an index system and maintaining the index system; (4) creating a database scheduling task, setting that an index evaluation computing main storage process is automatically called an index score every a time cycle, computing the scores of a plan and indexes participating in the organization according to the information including the index plan, the organization participation and the index items by the main storage process and generating the score result; and (5) searching the score result.