The invention discloses a method and a device for processing an indoor electronic map and belongs to the technical field of wireless positioning. The method comprises the following steps: acquiring a pre-stored user secret key, service secret key and map product secret key, wherein the indoor electronic map is arranged as a coordinate offset indoor electronic map; performing a coordinate correcting operation on the coordinate offset indoor electronic map according to the acquired user secret key, service secret key and map product secret key; displaying a position of a user on the indoor electronic map which is subjected to the coordinate correcting operation. According to the invention, if the user of the indoor electronic map is an authorized user is identified according to the user secret key, the service secret key and the map product secret key; only the authorized user can accurately position according to the indoor electronic map after the coordinate correcting operation; the infringing of the unauthorized user to the benefits of the indoor electronic map manufacturer and the authorized user is avoided.