Abstract: This paper introduces the current situation of laboratory accreditation for technical competence of industrial computed tomography. Based on the requirements of CNAS-CL01:2018 “Accreditation criteria for the competency of tesing and calibration laboratories”, the main factors affecting the technical competence of industrial CT testing from the aspects of personnel, equipment, testing process control, evaluation of measurement uncertainty and ensuring the validity of results are analyzed. Finally, some suggestions on the accreditation for technical competence of industrial CT are given.