In the new era of secondary education, higher demands have been placed on the management of mathematics education. Mathematics education is a major national discipline program, and its benefits and value are obvious. In the management of mathematics classroom teaching, the curriculum and teaching content need to be improved. At the same time, the status and role of teachers in mathematics teaching have attracted more and more attention. On this basis, this paper analyzes in depth the deficiencies in secondary school mathematics teaching management in the new era, and explores how to better carry out secondary school mathematics teaching management.