n this paper, some issues related to the study of integrated physical geography have been explored, such as the target and contents of the study of integrated physical geography, meanings of integrated study, regional studies of integrated physical geography, and practical use of the results from the study of integrated physical geography.

The integrated study in geography mainly had those following insufficiencies in the past: (1) the weakness of basic theoretic study; (2) the insufficiency of overlapping and fusion between nature-humanities researches; and (3) in favor of qualitative and monotonous way of synthesization.

The comprehensive research on shock-resistance for warships;

The comprehensive research of Japanese housing and city and tentative results of architecture technology are introduced from two aspects of hardware.

The main tendencies of the 21st century social science is the continuous development of the comprehensive research, the integration of science and society and the strengthening of social science research, and the broad application of the research method quantitative.