In modern history of the development of China, Japan more than any country in the world, has made the largest influence on China. It cannot be underestimated that, the influence from Japan on China’s teenagers covers from their character formations, cultural identities, and even values. So observing the Japanese social life could help us looking back to ourselves. Re-understanding Japan and Japanese, can help Chinese distinguishing the most fundamental contradiction between China and Japan, which is the differences in "insular" and "mainland farming nation". It is more important to understand a national culture than to master its language. In this course, the introduction and analysis of Japanese culture and daily social lives are rubbed into more than ever.