To provide a remote starter, preventing the excessive elevation of temperature of exhaust gas and the excessive increase in quantity of harmful gas in the periphery of a vehicle by engine starting of remote operation.

This remote starter 11 includes a starting means for starting an engine of a vehicle on receiving an engine starting command from a portable transmitter 21. The remote starter 11 is provided with a means for determining whether or not the engine is frequently started and a means for limiting starting of the engine performed in response to an engine starting command from the portable transmitter 21 when it is determined that the engine is frequently started.