The invention provides a method for processing monitoring data of electric power transmission equipment, which comprises the steps of carrying out consistent hash storage of multiple backups according to association and time and space attributes of the monitoring data, and carrying out combined retrieval and parallel retrieval and feature analysis on multiple monitoring data sources by using a parallel computation framework. According to the method provided by the invention for processing the monitoring data of the electric power transmission equipment, efficient and reliable storage is carried out on the monitoring data based on cloud computing technologies, and rapid access and analysis are realized.