A method of checking the conformity of a profile of a section of a curved surface of an element of a turbomachine comprising the following steps: - measuring coordinates of a plurality of measuring points (P) of the section in a reference frame defined for said section; characterized in that the method comprises the following steps: - calculating from the coordinates of these measuring points (P) the radius of curvature of the section at each of these points, so as to obtain a curve of measured evolution (Cm) of the radius of curvature according to the position of the measuring points (P) along said section; - compare the curve of measured evolution (Cm) of the radius of curvature obtained in the previous step with a predetermined theoretical evolution curve (Ct) of the radius of curvature of the section, with the following steps - locating at least one singular point (Ps) in the curve of measured evolution (Cm) of the radius of curvature corresponding to a local extremum of said curve of measured evolution (Cm); - count the number of singular points (Ps) identified; - measuring conformity parameters by comparing the singular points (Ps) with particular points (Pp) of the theoretical curve (Ct) of the radius of curvature, the measured parameters and the particular points (Pp) of the theoretical evolution curve (Ct) depending on the number of singular points (Ps) counted in the previous step ; - evaluating the conformity of the section of the curved surface from the comparison made in the previous step by evaluating the conformity of the section of the curved surface by comparing the parameters with predetermined values. - measuring coordinates of a plurality of measuring points (P) of the section in a reference frame defined for said section; - calculating from the coordinates of these measuring points (P) the radius of curvature of the section at each of these points, so as to obtain a curve of measured evolution (Cm) of the radius of curvature according to the position of the measuring points (P) along said section; - compare the curve of measured evolution (Cm) of the radius of curvature obtained in the previous step with a predetermined theoretical evolution curve (Ct) of the radius of curvature of the section, with the following steps - locating at least one singular point (Ps) in the curve of measured evolution (Cm) of the radius of curvature corresponding to a local extremum of said curve of measured evolution (Cm); - count the number of singular points (Ps) identified; - measuring conformity parameters by comparing the singular points (Ps) with particular points (Pp) of the theoretical curve (Ct) of the radius of curvature, the measured parameters and the particular points (Pp) of the theoretical evolution curve (Ct) depending on the number of singular points (Ps) counted in the previous step ; - locating at least one singular point (Ps) in the curve of measured evolution (Cm) of the radius of curvature corresponding to a local extremum of said curve of measured evolution (Cm); - count the number of singular points (Ps) identified; - measuring conformity parameters by comparing the singular points (Ps) with particular points (Pp) of the theoretical curve (Ct) of the radius of curvature, the measured parameters and the particular points (Pp) of the theoretical evolution curve (Ct) depending on the number of singular points (Ps) counted in the previous step ; - evaluating the conformity of the section of the curved surface from the comparison made in the previous step by evaluating the conformity of the section of the curved surface by comparing the parameters with predetermined values. <EOS>