This paper is a comparative study about the male teacher who works in the primary public education in Rio de Janeiro - Brazil and Aveiro - Portugal. We intended, fundamentally, to investigate the reasons of teachers 'professional choice who are engaged in area typically associated to women, for this we analyze the teachers' professional choice from questionnaires and interviews that we made with them. We note that the representations of the attributes considered feminine exert great influence on male 'teachers' career choice, which have repercussions on the high percentage of primary female teachers and in low percentage of male primary teachers. However, we demonstrate that man can choose this activity for pleasure and success and those individuals are capable of doing their job regardless of gender prejudice in education.