Method and system for remotely updating software program in automobile

The embodiment of the invention provides a method and system for remotely updating a software program in an automobile. The method mainly includes the steps that a network server transmits ECU identification and a software program of the latest version to an automobile-mounted remote control terminal in the automobile through a wireless communication network, and the automobile-mounted remote control terminal stores the received ECU identification and the software program of the latest version in an associating mode; after receiving a software program updating notification message carrying the ECU identification and transmitted by a mobile terminal, the automobile-mounted remote control terminal transmits the software program of the latest version to an ECU, wherein the software program of the latest version is stored in the associating mode, and the ECU installs the software program of the latest version for updating. According to the method and system for remotely updating the software program in the automobile, the mobile terminal of a user can uniformly control the automobile-mounted remote control terminal and the ECU to update and install a target file, the software program work of the ECU can be flashed remotely, the program flashing work of the ECU is intelligentized, and the operation cost of all ECUs is greatly reduced.