From the analysis of the measured object, the metrology law, the regulations of the national defense measurement supervision and management and the Chinese people's Liberation Army measurement regulations are compared, and the measurement problems are put forward. Through the analysis of the US military standard MIL-STD-1839D "the calibration and measurement requirements of the United States Department of defense", in order to ensure the consistency of the system operation and accuracy, the research work of metrological design is put forward. Finally, based on the systematic, convenient and rapid measurement guarantee system being always in good state of technology, the metrological design method and design principle are put forward.