The study of farmers' values has been the focus of experts, scholars, government officials and the media all the time, which has always been in progress. After Wenchuan earthquake, the values of farmers there have changed a lot. It is an urge problem demanding prompt solution and also a very important part of post-disaster reconstruction. The study and analysis of the core socialist values of the farmers in the earthquake-stricken areas can not only develop the theory further, but also provide reference for the future rural revitalization. This paper analyzes the topic from the following three aspects: the main characteristics, the influencing factors and the guiding strategies of the changes of values.