Indoor unit of air conditioning equipment

The utility model provides an indoor unit of air conditioning equipment, which can not damage the appearance. The indoor unit (1) of ceiling-embedded type air conditioning equipment is provided with a housing (2) and a surface plate (3), wherein an indoor air suction inlet (21a) and a blow-off outlet (21b) are formed on a decorative panel (2b) of the housing (2); the surface plate (3) can adopt a closed gesture for shading the suction inlet (21a) and an open gesture for opening the suction inlet (21a); and when the surface plate (3) adopts the open gesture, at least a first part (P1) of the surface plate (3) far away from the blow-off outlet (21a) is separated from the housing (2).