The invention discloses a quick core pulling device of a vehicle air conditioner intake pipe. The device comprises an inclined rod (1) fixed on a movable mold, and a core pulling block (2) slidingly connected to a fixed mold; a vertical positioning rod (4) is arranged nearby an inclined rod (1) on the movable mold; the core pulling block (2) is provided with a square hole (5) matched with the positioning rod (4); a slide hole (6) with a square cross section is formed in the side surface of the core pulling block (2); a slide block (7) is slidingly connected into the slide hole (6); a through hole (17) is formed in the slide block (7); a second inclined hole (8) is formed in the core pulling block (2); an inclined top (9) is slidingly connected into the second inclined hole (8); one end of the inclined top (9) is slidingly connected with the slide block (7) up and down; a horizontal inverted core pulling block (10) is arranged at the other end of the inclined top (9); and a wedged recess (11) matched with the horizontal inverted core pulling block (10) is arranged on the molding cavity surface of the core pulling block (2). Compared with the prior art, the device has the characteristics of relatively simpler structure, smaller size, relatively lower cost, better use stability and higher yield.