This paper mainly studies and analyzes the teaching work of teachers and summarizes factors influencing teachers' career according to the characteristics of teaching. It analyzes the status quo of college teachers' identification of their career in Tianjin under the social background of rapid development of information, including college teachers' identification of their career at present stage, explores factors affecting college teachers' identification of their careers from the features of schools as well as teachers' individual features. Besides, it analyzes and discusses factors affecting the overall level of teachers' identification of their career, and then proposes some relevant suggestions to improve college teachers' quality and ability as well as enhance colleges and universities' comprehensive strength according to the actual development of colleges and universities.