Abstract: The present invention relates to a start button which is provided on one side of a vehicle to start the vehicle by a pressing operation thereof. the start button includes a case having an opened top surface and provided with an accommodation space therein, a cover member attached to the top surface to shield the opened top surface of the case from the outside and made of a transparent or translucent material to see the accommodation space, and a decorative unit disposed in the accommodation space of the case and constituted by any one of a loge, a letter, a trademark, a picture, and a figure or a combination of two or more thereof, and thus the interior of the vehicle can be upgraded to a high quality by providing the decorative portion on the vehicle start switch and pursuing external beauty.