As in the new century, privatization has become a global trend for various public works. Garbage cleaning privatization is one major task for Taiwan EPA; all government divisions change their row from carrier to supervisor, since, the local government cans more effective in supervision and management. The results for in foreign countries have more positive effect than negative, therefore, it is expected that the privatization garbage cleaning can turn the government burden into private aid by correcting the old system. In Kaohsiung, a milestone has been set since the new mayor has subcontract the garbage cleaning to private sector. This thesis is aim for the related problems and difficulties after the garbage cleaning privatization, especially the ratio between government and private sector, from literature review, real case investigation, censer, and interview, four different approaches. The content is started with theory, definition, and foreign documents, to discuss the garbage cleaning privatization, then get into the real cases in Taiwan and other countries, and hopefully finding the best resolution for kaohsiung city in this area. At the end of this thesis, a practicable proposal for garbage cleaning privatization will be recommended based on the conclusion form survey and interview with private sectors.