This disclosure discloses a robot system including one or more work facilities and a teaching information database. The work facilities comprise a robot and robot controller. The robot controller controls the movement of the robot based on teaching information stored in a storage part. The teaching information database stores a plurality of types of the teaching information associated with work information. Each work facility includes an interface device configured to receive an input of search condition information, to search teaching information highly relevant to the search condition information among the plurality of types of teaching information, and to receive a selection of desired teaching information among one or more sets of the teaching information hit in the search. The robot system further comprises a first transferring part configured to transfer the teaching information from the teaching information database to the storage part.