The invention discloses an energy consumption evaluation method and an electronic device, and belongs to the field of natural gas. The method comprises: according to basic data of each device within a statistic cycle, generating an evaluation index corresponding to each device and a reference value corresponding to each evaluation index; according to the type of each evaluation index, determining a fuzzy membership function corresponding to the type of each evaluation index; performing dimensionless processing on each evaluation index by utilizing the fuzzy membership function to generate a dimensionless evaluation index corresponding to each evaluation index; according to the dimensionless evaluation index corresponding to each evaluation index and the reference value corresponding to each evaluation index, generating an evaluation value corresponding to each device; and generating an evaluation result of a system according to evaluation values of all devices and preset weight values corresponding to the evaluation values. By utilizing contributions of different devices to energy consumption, evaluation is performed according to basic data of the energy consumption system, so that the accuracy of the evaluation result is improved.