Metrology is the knowledge and technical instrument connected with the national economy and the people’s livelihood. In ancient China, abundant practices of management and technology about metrology were accumulated. The Song Dynasty’s metrology plays an important part in historical development of Chinese metrology. As a statute preserved, Tiansheng Statutes(天圣令) found in Ningbo Tianyi Pavilion (天一阁) contained important information that was reflective of the political，economic，social and cultural changes from the Tang Dynasty to the Song Dynasty. The paper gives a study of how the Government managing the Metrology Activities in the Northern Song Dynasty Based on the Tiansheng Statutes. Through the research of management in the Tiansheng Statutes about weights and measures，time metrology，space metrology，and so on，the author thinks that one hand the Northern Song Dynasty established its system of weights and measures in accordance with the Tang Dynasty’s tradition，on the other hand，the Government made innovation in management and technology of metrology. Some measures have a significant impact on the development of Chinese metrology.