The content is deeper. The third edition of Advanced Mathematics is a book published by Higher Education Press in 2006, and the seventh edition of Advanced Mathematics is a national planning textbook for undergraduate students of general higher education in the Twelfth Five-Year Plan, which was compiled by the Department of Mathematics of Tongji University and published by Higher Education Press. The latter is more extensive than the former and more suitable for engineering students in colleges and universities. Tongji University is one of the earliest national universities in China and a national key university directly under the Ministry of Education and jointly established with Shanghai.