The new data environment has led to the new paradigm and research technology in the field of architecture and urban planning, and spatial quantitative analysis has become an important part of urban planning and design process. It requires improving the teaching system and mode, so as to train students' instrumental rational thinking. Urban planning project teaching ways for the new period is illustrated by case of coastal city spatial quantitative analysis project, from aspects of teaching purpose, teaching content, and case selection criteria. Starting with the basic training quantitative cognition and technology, the paper discusses the teaching methods of urban planning project teaching in new data environment, so as to provide reference for the improvement characteristic urban planning teaching.