The present invention relates to a hairstyling brush iron which applies heat to the hair of a user to set a desired hair style, and which can protect the scalp of the user from heat. The hairstyling brush iron according to one embodiment of the present invention comprises; an iron roll which is heated up to a high temperature, and the outer surface of which has a plurality of grooves formed in a lengthwise direction thereof; and a brush which is coupled to the iron roll by coupling a lower portion thereof to the grooves of the iron roll.