The main concern of "Shin-Sheng-Lun" is about some fundamental problems of human existence. These fundamental problems include some basic guestions like: the essence of life, the nature of mental activities, the meaning of death and life after death. These questions are enternal puzzle and ultimate concern for human being. Different answers of these questions offord different pictures about human being. This will determine our existential position in the universe differently, and therefore affect our thinking about the meaning and value of life directly and basically.