Abstract: A coating system capable of quickly providing a vehicle coated in color requested by a user. The coating system includes: an input section that receives input of a requested coating color and starting and ending dates of using the vehicle in the requested coating color; a determination section that determines, based on the input requested coating color, whether a plurality of coating colors is requested for the same vehicle; and an instruction section that instructs coating, for a case of a plurality of coating colors not requested, by selecting the corresponding easily strippable coating material, and for a case of a plurality of coating colors requested, by calculating, based on the input starting and ending dates, use order of the vehicle coated in each of the requested coating colors and sequentially selecting the corresponding easily strippable coating materials in the order opposite to the calculated use order.