The three primary aims of this paper are to explore the promoted experiences of child and youth protective supervisors, to indicate the practical supervision in child and youth protective field, and to give advices to the social work profession and its’ supervisory system. This study is a qualitative research and collects data from October 2008 to February 2009 in-depth interviews(7 social work supervisors) and participant observation(Child and youth protective Institutions in one city). Using constant comparative method analyzes the data. This research result present as follows: 1. The first and most important condition for a social worker to become a supervisor is that senior career. However the title of social work supervisor does not really exist in the position structure and salary structure in social work institution. 2. In child and youth protective social work supervision practical field, there has a triple disadvantage situation. Firstly, the situation of training new workers, social work supervisors faced with the difficult task of training new workers because of the manpower outflow. Secondly, the situation of dealing with the child and youth protective direct-indirect service delivery system, social work supervisors is the negotiator between two systems. Thirdly, the situation of facing their own dislocating working timetable, supervisors not only have to complete their own job but also need checking the report from social worker and making detail decisions within the demand of organization, so their own working time are always intermittent. 3. Female supervisors show the “feminine toughness” in the supervision. As a female, they sway in work and family, so they try to make good use of each resources to obtain the family member support in order to let their work and family roles appropriate taken. At the same time, female supervisors value “the relations supervisory styles”, being like mother or the elder sister, and influence the members from work relationship to family relationship, achieving harmonious collaborative relationship. This paper focuses on four discussions: the differences of social work supervision between social welfare policy and social work education; the awareness of supervisor authority games; how to enrich the supervision functions through supervising process; the female motives to avoid success and leadership under gender issue.