It would result in anxiety and terror for death that human being is aware of his own mortality, which is existential anxiety and terror. In order to eliminate or sublimate this existential anxiety and terror, every culture in the world constructs the mechanism of mortality anxiety management with their own cultural characteristics, so is Chan(Zen) culture no exception. Chan culture is one of three major components of Chinese culture, which constructs the thought of mortality anxiety management with Chan cultural characteristics based on its core thought that ―Xin(心: heart or mind)is Buddha, Buddha is Kong(空: emptiness)‖. Chan thought of mortality anxiety management mainly embodied in that death is return of Ben-xin(original heart), and that everyone is Buddha, and that Xin‘s capacity is vast and great. Its psychological mechanism is mainly rationalization, identification and sublimation. This thought of Chan has great realistic value, which can serves an important and positive rolein the psychological adjustment of critical patients especially the dying, life education, life meaning and value education, prevention suicide, etc