An outdoor unit integrated type for an air conditioner of split type, comprising: a frame grid (104, 106) divided into a suction area (107a) and a discharge area (107b), a plurality of sheets grid (108) are installed on the grid frame (104, 106); and a housing outdoor unit (10) having an open unit front surface which contacts the grid frame and is open to the outside of the building, both side units formed at both ends of the unit front surface, a surface unit rear formed to face the unit front surface, a unit of bottom surface formed at the lower ends of the unit front surface and the unit back surface and a unit of upper surface formed at the upper ends of the unit front surface and the unit back surface, characterized in that the frame grid comprises an outer frame (104) to be installed fixedly on an inner wall of an open space on an outer wall (102) of a building and an inner frame (106) coupled to the outer frame (104), whereby the plurality of lower blades are installed on the inner frame (106), and that the housing outdoor unit is coupled to the grid frame (104, 106), and the housing outdoor unit (10) is divided into a housing suction (10a) corresponding to the suction area (107a) of the frame grid and a discharge casing (10b) corresponding to the discharge area (107b) of the frame grid and the discharge casing (10b) is coupled to the housing suction (10a) and the housing suction and discharge casing are linked together to discharge sucked air, and a width of the housing outdoor unit ( 10) it is less than the space inside the grid frame (104, 106) and the outdoor housing unit (10) is fixedly coupled to the grid frame (104, 106) using an element of special fastening (130) .