The present invention relates to a system and a method for sensing positions of tires. The system for sensing the positions of the tires comprises: a plurality of transmitters having identification numbers (ID) which are attached to inner parts of a plurality of tires to detect the states of the tires; an external device which records position information of the transmitters located in a vehicle in each of the transmitters; and a receiver for receiving the IDs and the state information and the position information of the tires.
