In order to accurately measure subgrade earthwork, measurement professional engineers should be familiar with the content and description of bill of quantities, and master the work scope, construction requirements, measurement methods and means of engineering construction projects. According to the basic principle of measurement, do a good job in the measurement and control of project cost. Keywords: highway subgrade earthwork survey 1. Principles and methods of subgrade earthwork measurement in highway construction, subgrade construction drawing design includes plane layout, longitudinal section, subgrade cross section, standard section and subgrade earthwork quantity table, etc. In project management, the construction unit can control the total amount of subgrade earthwork according to the design quantity of drawings. (remaining 2759 words)