To provide an indicator system capable of controlling operation of an indicator device so as to implement automatic cancellation of the indicator device in suitable timing in accordance with a driving situation.

An indicator system 10 is capable of executing an automatic cancellation operation for bringing an indicator device 20 into an operation stop state while being interlocked with the steering state of a steering 22. In the indicator system 10, under the condition that an operation means 26 is operated in the same direction as that before the execution of the automatic cancellation operation within a predetermined time after the automatic cancellation operation is executed, the automatic cancellation operation is prohibited for a predetermined period of time or the implementation condition of the automatic cancellation operation is strengthened.