es from three aspects of sex,mark level and major selection,researches and analyzes from three views of cognizance,feeling and career prospects,as well as surveys the influence of three changing reasons on the professional identity. It also puts forward relevant opinions aiming at its result and make the following research conclusions according to the survey result data:firstly,the sex factor has influence on the professional identity of special-education students and the girl is higher than the boy;secondly,the professional identity of students with better mark is higher than that of students with worse mark;thirdly,the professional identity of students with independent-choice major is higher than that of adjusted students. Р Key words:special education;undergraduate;professional identity