The present invention discloses a unified asset management and planning method for a center and distribution substations. The method comprises the following several steps: A: implementing preparation work, collating and classifying the existing data, and modeling a basic model in a computer; B: inputting related data for each newly-purchased asset to the computer, and completing the model to form an asset management platform; C: on the asset management platform, automatically printing and generating non-setting adhesive bar codes by a non-setting adhesive bar code printer in a manner that the computer carries out data reading on the model; D: sticking the printed bar codes onto corresponding asset entities; and E: during asset checking, searching and checking the non-setting adhesive bar codes on the assets by checking personnel through a special non-setting adhesive bar code identifier. According to the method, problems can be solved fundamentally through managing data information on the assets of the center and distribution substations by using the asset management platform, and the collation for basic information, subsequent information tracking and changing can be carried out in order.