This paper firstly analyzed the importance of the nurses' professionalism,and then explained the nurturance advantages of the nurses'professionalism under the" trinity system" talent training and managing mode,including that it is beneficial to improve the students'ability of self-management and self-promotion; to improve their professional accomplishment in an all-round way; to strengthen the professional thought of students; to culti-vate the sense of professional identity of students; to promote professional ability and professional awareness.Final-ly,this paper expounded the influence of the talent training mode of " trinity system" on the nurturance of nurses' professionalism,and highlighted the advantages of enhancement of students'comprehensive quality and ability and the rapid adaptation to the nursing post.