A method for inspecting an erroneous/missing part of a discharge valve structure of a compressor, characterized in that the discharge valve structure has <1> an assembly structure comprising: a partition wall partitioning a compression chamber and a discharge chamber of the compressor and having a discharge hole communicating the compression chamber and the discharge chamber; a discharge valve having elasticity and provided so as to open and close the discharge hole on the discharge chamber side of the discharge hole; a valve retainer provided so as to cover the discharge valve and regulating an opening degree of the discharge valve; and a fixing bolt which is inserted through an insertion hole penetrating the valve retainer and an insertion hole penetrating the discharge valve and is screwed into a screw hole provided in the partition wall at a position deviated from a portion covering the discharge hole, and <2> an inspection structure in which the valve retainer has an inspection hole for inserting an inspection member and at least a part or the whole of the discharge valve in a region of the discharge valve corresponding to the inspection hole of the valve retainer is in a state in which the discharge valve is interposed between the inspection hole of the valve retainer and the partition wall when the discharge valve and the valve retainer are fixed on the partition wall, and the presence or absence of the discharge valve is inspected by inserting the inspection member into the inspection hole and by an insertion depth of the inspection member. the discharge valve structure has <1> an assembly structure comprising: a partition wall partitioning a compression chamber and a discharge chamber of the compressor and having a discharge hole communicating the compression chamber and the discharge chamber; a discharge valve having elasticity and provided so as to open and close the discharge hole on the discharge chamber side of the discharge hole; a valve retainer provided so as to cover the discharge valve and regulating an opening degree of the discharge valve; and a fixing bolt which is inserted through an insertion hole penetrating the valve retainer and an insertion hole penetrating the discharge valve and is screwed into a screw hole provided in the partition wall at a position deviated from a portion covering the discharge hole, and <2> an inspection structure in which the valve retainer has an inspection hole for inserting an inspection member and at least a part or the whole of the discharge valve in a region of the discharge valve corresponding to the inspection hole of the valve retainer is in a state in which the discharge valve is interposed between the inspection hole of the valve retainer and the partition wall when the discharge valve and the valve retainer are fixed on the partition wall, and <1> an assembly structure comprising: a partition wall partitioning a compression chamber and a discharge chamber of the compressor and having a discharge hole communicating the compression chamber and the discharge chamber; a discharge valve having elasticity and provided so as to open and close the discharge hole on the discharge chamber side of the discharge hole; a valve retainer provided so as to cover the discharge valve and regulating an opening degree of the discharge valve; and a fixing bolt which is inserted through an insertion hole penetrating the valve retainer and an insertion hole penetrating the discharge valve and is screwed into a screw hole provided in the partition wall at a position deviated from a portion covering the discharge hole, and a partition wall partitioning a compression chamber and a discharge chamber of the compressor and having a discharge hole communicating the compression chamber and the discharge chamber; a discharge valve having elasticity and provided so as to open and close the discharge hole on the discharge chamber side of the discharge hole; a valve retainer provided so as to cover the discharge valve and regulating an opening degree of the discharge valve; and a fixing bolt which is inserted through an insertion hole penetrating the valve retainer and an insertion hole penetrating the discharge valve and is screwed into a screw hole provided in the partition wall at a position deviated from a portion covering the discharge hole, and <2> an inspection structure in which the valve retainer has an inspection hole for inserting an inspection member and at least a part or the whole of the discharge valve in a region of the discharge valve corresponding to the inspection hole of the valve retainer is in a state in which the discharge valve is interposed between the inspection hole of the valve retainer and the partition wall when the discharge valve and the valve retainer are fixed on the partition wall, and the presence or absence of the discharge valve is inspected by inserting the inspection member into the inspection hole and by an insertion depth of the inspection member.