With the rapid social-economy development in China's urban and rural areas, it is urgent to reform the training system for graduate students of architecture. The outcome-based education theory can meet this demand very well. Applying this theory can make four changes: from skilled education to research-oriented education, from subject orientation to target orientation, from teacher-centered approach to student-centered approach, and from quality control to continuous improvement. Outcome-based education pays more attention to students' abilities, by ways of giving full play to subjective initiative, enhancing core competitiveness, paying attention to cross disciplinary training, international cooperation training and school enterprise cooperation training, it can comprehensively innovate graduate students' training system of architecture.