Abstract: A Pipe Mapping Probe Apparatus for Searching Pipe Route Position includes: a first disc fitted and fastened on a shaft member thread-fastened to the inner side of a connection shaft at a first side of an internal body of a first pig; a cap coupled to a side of the shaft member outside the first disc; a first pig coupled to the shaft member; elastic members composed of three flexible springs coupled to a second side of an external body of the first pig; a cable that electrically connects a battery, a sensor unit, and a control board of the first pig and an encoder of a second pig, is connected with the battery through a first cable socket coupled to the external body of the first pig, and is connected to an encoder through a second cable socket disposed at the center of the second plate coupled to a first side of the second pig and through an encoder socket on the top of the encoder disposed in an internal body of the second pig; the second pig coupled to second sides of the elastic members at the first side o