The invention relates to an adaptive method for a network interface for an isomerous manufacturer data network. The adaptive method is characterized in that comprehensive communication network management is in communication with network equipment of a data network by utilizing a simple network management protocol (SNMP) to perform data acquisition, performs the integration of connected relation according to the acquired equipment data and stores results in a database; and the comprehensive communication network management is also used for showing the condition of a data network topology stored in the database. According to the adaptive method, the multi-manufacturer isomerism of the data network can be shielded effectively, and the high-efficiency transmission of information between the isomerous data network and the communication network management can be promoted.