Abstract: Targeting the traction substation equipment status evaluation system developed on the basis of information communication technology and internet technology, the system architecture and module composition are introduced in-depth. The technical principle, functionality and main technical indicators are explained, and the implementation and application of the system areexpounded. Traction substation equipment status evaluation system adopts advanced system technology, communication technology, information processing technology and computer network technology. Based on multivariate data integration technology, premaintenance can be realized through online equipment operation status evaluation, providing safety strategy for equipment safe operation and maintenance. The practical operation experience in the past two years has proven that the system has strong applicability, solving difficult issues including untimely operation and maintenance, ensuring organic and synergic safe operation of various equipment.