The invention discloses a data processing method and device for project index calculation. The method comprises the steps that a target keyword is acquired; a target project is determined in a number of candidate projects according to the target keyword; undetermined parameters of a preset evaluation model are determined according to the target keyword to determine an evaluation function; and a project index of the target project is calculated according to the evaluation function. According to the invention, the problem of difficulty in quantization calculation of the project index in the prior art is solved.