With the progress on management methods and practices, the business action is in a favor of applying 6σ. 6σ is a quality control philosophy originated in the manufacture industry. The basic concepts are derived from project based process improvement. The main steps include DMAIC. This study reviewed the development of quality management and discussed the definition and steps of 6σ. Then, the application of 6σin the service industry was studied. Finally, a hypothetical case study was discussed and possible 6σ procedures were applied in order to simulate the real situation. The results of this research are aimed to provide deeper understanding of 6σ concepts and set an example of possible applications in the tourism industry. It will be helpful for both high level and low end management.