The invention aims to manage information of a power grid, information state evaluation and maintenance work is studied deeply, and the blank of power information management in China at present is filled up. To solve the technical problem, according to the technical scheme, a management method for information in the power grid comprises the following steps of 1, screening users, 2, setting a database, 3, limiting access control and 4, processing information. Compared with the prior art, the management method for the information in the power grid has the advantages that data acquisition and analysis are high in reliability, expandability, safety and cost performance and the like. A whole system is standardized, and is convenient to check and expand.