The utility model discloses a multi -functional hair -dressing hair -dryer, including the hair -dryer body, the button, the limiting plate, reset spring and joint piece, front portion at the shell of hair -dryer body is equipped with hollow joint round platform, the perisporium of this joint round platform is equipped with an opening, the joint piece includes pothook and connecting plate, the pothook stretches into to the opening, connecting plate and button rigid coupling, the locating convex block has still set firmly on the perisporium of joint round platform, a button, the inner wall of cutting ferrule is equipped with the joint groove with pothook looks adaptation, the cutting ferrule inner wall still is equipped with the guide way with locating convex block looks adaptation, the front portion of cutting ferrule is connected with hair tool, the preceding terminal surface of cutting ferrule still is provided with the exhaust vent. The utility model discloses a multi -functional hair -dressing hair -dryer combines hair -dressing hair -dryer and a plurality of hair tool, through quick replacement hair tool, realizes a tractor serves several purposes, has reduced use cost, and putting, accomodate and transporting of messenger hair tool is more convenient, changes simultaneously and uses hair tool labour saving and time saving, and is easy and simple to handle.