Disclosed is a clothes treating apparatus provided inside a vehicle. The clothes treating apparatus provided inside a vehicle comprises: a clothes accommodation part providing an interior space and installed on a seat; 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 based on 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, and the processor may control an operation course of the supply part based on the travelling state information of the vehicle or the vehicle boarding pattern of the passenger.