College counselors play an irreplaceable key role in the moral education of personnel training, and the country and society have high expectations for them. Counselors should fully understand their own role expectations, and then carry out role practice to complete the mission given to individuals by the times. Through the research, it is found that college counselors are faced with many dilemmas in the process of role construction, such as diversity of role expectation, insufficient role comprehension and heavy role practice. It is necessary for individual counselors to improve their role comprehension level and role practice ability, and to create a professional and professional growth environment for counselors, so as to help counselors get out of the dilemma of role construction under the joint action of internal and external factors.