This article explores the significance of the educator’s spirit in promoting the sustainable and healthy development of the university teaching workforce. The educator’s spirit provides clear goal guidance for teachers’ professional ethics, enabling them to focus on students’ overall growth and mental health in practice. Additionally, it establishes a value consensus within the teaching community, fostering cooperation and support among teachers, which contributes to a harmonious educational ecosystem. Furthermore, the educator’s spirit offers a positive symbol for the public’s recognition of the teaching profession, enhancing teachers’ social status and professional pride. By emphasizing care and responsibility, as well as innovation and exploration, the educator’s spirit motivates teachers to pursue professional growth continuously.