The invention discloses an integrated inspection device of axis parts, which consists of a granite base, a granite air floating measuring guideway and slipway, a granite air floating bearing guideway and slipway, a head frame, a tail frame, a plurality of measuring modules and a long grating ruler. Adopting the structure can achieve the integrated measurement to the axis parts, the integrated measurement of the axial dimensions of the axis parts and a plurality of position errors can be achieved by one clamping, and the inspection device has the advantages of simple structure, easy operation,and high precision.