Abstract: Evaluating groundwater function is the important basis of realizing groundwater sustainable utilization and protecting availability zoology or geology circumstance, in the through of evaluating groundwater function,the key is to chose index. Basing on following leading, measuring, operating, mantling wide and agility, this paper thinks over influencing factor and behaving character of groundwater function, filtrates the evaluating index of groundwater function from driving and state and response gene. Through the course, this paper sets up a suit of effective index aggregate for evaluating groundwater function.