Counselors of colleges and universities in China play a vital role in cultivating people, and their professional skill promoting has been the focus of Chinese colleges and universities. Lean management, as a technique in the field of management, gradually is applied to counselors' daily work, which is in the exploratory stage. Lean management of counselor work cannot promote professional skills of counselors prominently, and we used the literature method, interview method and induction to find the reason for which can be concluded as limited attention to individuality discrepancy of students, the blurred working limit of counselor function and as well as specialization inadequacy. Refining of the objects, content, skills and evaluation of work is the four dimensions of lean management of counselor work, which is an effective method of promoting professional skills of counselors of Chinese colleges and universities.