The invention relates to a diagnosis method for an intelligent substation remote control command abnormality, and belongs to the technical field of transmission of digital information. According to the method, a specification information matching rule table of the transmission process of a remote control command among various communication layers of a substation is established, a corresponding transmission process queue table is established according to the matching rule table, after messages of three specifications monitored in real time are compared with the matching rule table, specification information of the messages according with the matching rule table is extracted to generate remote control steps and stored in the transmission process queue table, and all the information which areextracted to generate the remote control steps form transmission process information of the remote control command; and when it is monitored that the remote control command has the message containingfailure information, the remote control step corresponding to the message is found by looking up the transmission process information of the remote control command, the two adjacent communication layers which are associated with the remote control step are found according to the information of the remote control step, failed equipment associated with the two adjacent communication layers is positioned finally, and then diagnosis is completed.