Disclosed is a clothes treating apparatus provided inside a vehicle. A clothes treating apparatus provided inside a vehicle, according to one embodiment of the present invention, is a clothes treating apparatus provided inside a vehicle and comprises: a clothes accommodation part which provides an interior space and is installed on a seat inside the vehicle; a door for opening and closing the interior space; a supply part for supplying hot air or steam to the interior space; an interface for transmitting and receiving information to and from at least one device provided inside the vehicle; and a processor for opening the door if a predetermined condition is satisfied, wherein the predetermined condition is determined on the basis of at least one from among the degree of air pollution inside the vehicle or a gesture of a passenger recognized by at least one sensor provided inside the vehicle, and the processor can control an operation course of the supply part on the basis of at least one from among travelling state information of the vehicle and a vehicle boarding pattern of the passenger.