The invention discloses an automatic hair combing and blow-drying device for beauty. The device comprises a base and a lifting column capable of lifting, a top seat is fixedly arranged on the top surface of the lifting column; a first air blowing opening is rotationally formed in the bottom surface of the top seat; the first air blowing opening can blow air to the head of a person and accelerate hair root drying, a fixed column is fixedly arranged on the right side surface of the lifting column; a cavity is formed in the fixed column; a swing block is rotationally arranged in the cavity; a fixed rod is fixedly arranged on the right side of the swing block. According to the hair drier, the step of manually holding the hair drier to blow-dry hair is omitted; the hair drier has the advantagesthat manpower is saved, meanwhile, a user can comfortably sit on the seat to dry hair, the hair at the hair roots can be dried through swing air blowing of the first air blowing opening, meanwhile, through combing work of the comb, the hair is combed smoothly and cannot be knotted, and meanwhile, through swing combing of the comb, the hair drying efficiency of the second air blowing opening is improved.