China has a long history of more than 5000 years, which inheriting many excellent moral traditions. China’s moral level and civilization degree once led the world, and had a profound influence on other countries. However, a series of socialproblems mergingin China in recent yearsbecause of the social morals, these problems limit the progress of social civilization seriously andinfluence people’s living environment adversely. In order to analyze the changes of social morals and theroot causes, the research team designed four different situational simulationsin the main developed coastal cities in China. The survey results indicated that China’s present social ethics is not ideal,it isnecessary to make root cause analysis and implement improvement measures to recreategood moral civilization in the whole society.