Abstract: The professional development level of university teachers is closely related to the quality of university personnel training. Teacher professional development mainly includes the continuous improvement and improvement of teachers' professional spirit, professional theory and professional skills and knowledge. Because of the characteristics of engineering discipline, the core of the professional development of university engineering teachers should be the growth of technical knowledge. Technical knowledge is an important part of the knowledge system of engineering teachers in universities. It has the characteristics of practicality,perception,intentionality and context. There are three ways to acquire technical knowledge of university engineering teachers: “follow” learning in the “scene”; interact and feel in the “context”;understand and share in “conversations”.