There is provided a production system simulation device (1) that simulates state progress caused by a chain of phenomena generated discretely, the production system simulation device including: a facility element information storage portion (32) that stores various factors for facility elements as facility element information; an operation element information storage portion (33) that stores operation element information which includes development conditions of operation elements and an output destination after the completion of an operation; and a link information storage portion (34) that stores link information of the facility elements and the operation elements, wherein according to sufficiency of development conditions of operation element information of a first operation element linked by the link information to a first facility element, the first facility element performs the operation, an output of the operation is output to the output destination after the completion of the operation in the operation
