The invention discloses a cabinet air conditioner indoor unit, which comprises an appearance shell of the indoor unit, an indoor heat exchanger, a water collecting disk, an indoor air supply motor, afan, a motor bracket and a control box, wherein the appearance shell of the indoor unit consists of a front panel, a lower panel, a base, a rear cavity and a top cover; the indoor heat exchanger, thewater collecting disk, the indoor air supply motor and the fan are arranged in the appearance shell of the indoor unit; the motor bracket is used for assembling the air supply motor, and the control box controls the indoor unit to operate; the upper side of a back part is provided with a plurality of rows of air suction inlets for sucking indoor air; the front side of the air suction inlets is vertically provided with the indoor heat exchanger; the front side of the indoor heat exchanger near an air outlet flow deflector is vertically provided with two crossflow fans; and the lower sides of the two fans are provided with two motors driving the crossflow fans to rotate. The cabinet air conditioner is symmetrically provided with a set of crossflow fans and the heat exchanger left and right respectively, reduces system resistance, increases air volume, makes air flow direction vertical to the heat exchanger, makes the heat exchanger evenly exchange heat and improves the heat exchange effect.