| The life value, as a social consciousness, is depends on the reality of the society and it will change with development of Chinese society.. After reform and opening up, multiple life value showed up from what the teenagers have done,under the background of the entire transfer of our society,Guided by Marxism,we will talk about the status of life value of the teenagers,specially the reasons for the change of teenagers life value.this article will started from talking about the basic theory of the life value, analyses status of life value of the teenagers and its confliction aroused by the entire transfer of our society., Furthermore we will take a deep research about problem of the reasons for the change of teenagers life value Furthermore, it gives some advices for this problem..Full text is divided into three sections:The first part of marxist theory values,it analyzes the value system of some basic concepts and category.And explains the meaning and influence to studying the western social ideological trend of the youth values.The second part of the needle in Chinese youth values of the features,major western social thought and so on.Discuss the negative impact of the western social ideological trend to the youth of values. The third part in the thorough analysis of western social thought,in it are put forward on the basis of the western social ideological trend to solve the negative impact of the countermeasures,and strengthen our country young values education thought,and improve the research purpose,so guidance and promote youth to set up the correct values. |