An oil spray device is disclosed. According to the present invention, the oil spray device is configured to include a casing unit which has an exit for allowing a user to enter the casing unit, spray units which are mounted on the inner surface of the casing unit to spray oil to skins of the user in the casing unit, and a means for distinguishing between clothes and skins which distinguishes clothes of the user from skins exposed out of the clothes, wherein the oil spray unit uses the means for distinguishing between clothes and skins to distinguish skins of the user from clothes of the user, and then selectively sprays oil to the skins of the user through the spray units.