Think-tank evaluation mechanism construction should be a system engineering,including the elements such as the construction of evaluation index system,evaluation system,evaluation program,evaluation methods and evaluation environment.All elements complement each other,so that the science and fairness of the evaluation could be ensured,and functions of judgement,forecast,choice and guidance of the evaluation could be exerted.Current think-tank evaluation activity always takes the perspective of instrumental rationality,focuses on the construction of the evaluation index system and ignores the o...