The adolescence, the stage between childhood and adulthood, is the transitional period for the youth to march toward maturity. The teenagers at this stage are facing some obvious changes of both physical and mental aspects. For example, their bodies begin to have apparent differences, and they start to be curious about their future. It¡¦s very important to teach the teenagers at this stage the correct concepts and offer them opportunities to learn to be adults. The quality of adolescent education is also an index of future development of a country. As we see today, our society suffers from problems like family structure incompletion, family violence, dropout, juvenile delinquency, sexual abuse and sex transaction, etc. These problems may harm our teenagers or lead them to commit crimes. Therefore, the society has the responsibility to offer a safe and warm place for teenagers who lost their parents or have been misled. It¡¦s a place for them to correct errors and make a fresh start. This research is a study on an organization named ¡§House of Grace¡X Angel House.¡¨ It¡¦s a place established by the local government and the nonprofit organization for dropout girls. Social Affairs Bureau of Kaohsiung City Government work with Department of Education of Kaohsiung County Government to set up a cooperative halfway home for the dropouts and provides the place and budget for living. The thesis applied qualitative research method including document analysis and in-depth interviews to study the strategic alliance between the local government and the nonprofit organization. The thesis analyzed the goal, period, content, model, and contract of the alliance. It also reveals the effort they made and showed strong concern for adolescent delinquency problems. Besides, the thesis brought up the pros and cons of the alliance as a reference for both parties to set up new contracts for future cooperation. The result showed that becoming strategic alliance and building partner relationship with local government are the key factors for nonprofit organizations¡¦ survival and development. Angel House heavily depends on government. Government provides subsidies for its facilities and also offers professional consultancies. On the other hand, the government also needs the support from the NGO to work together for social welfare. The thesis suggested that nonprofit organizations should try to reverse the stereotype as a disadvantaged group which the society perceived. They must adopt marketing activities and connect with the citizens. In addition to the governments, they should cooperate with enterprises and seek more resources. By their passion for work and life, the nonprofit organizations will bring more love and care to society.