This paper dealt with an approach to the theoretical frame of reference in analyzing the Life-Space of adolescent.(LSp) This frame consists of six psychological factors which are acquired frbm our previous experiences and several data. They are: A. Degree of stability of LSp B. Degree of freedom of LSp C. Degree of difficulty of adjustment D. Degree of differentiation of Time-perspective E. Degree of healthiness of LSp F. Degree of integration of values of LSp These factors were explained concretly by making of an example of the analysis of LSp of adolescent in Okinawa Island. The writer has been methodologically advocating to divide adolescent psychology into general and special and this article is the basic theory of the latter.