Abstract: The status of development about adolescents’ ideological and moral quality is the result of interaction of social environment factors.The result of research show that adolescents’ ideological and moral construction is confronted with the enormous economic,institutional and social psychological pressure in the economic and social background of treating Guizhou province as a case in southwest multinational regions of China,for lacking of intensity of resource supply,reasonable sequence in the task of primary government,and rational cognition for adolescents’ ideological and moral construction.Only by developing regional economy vigorously,and promoting local democratic institution construction,and guiding adolescent to strengthen trust in government,we can provide economic,political guarantees and social psychological basis for adolescents’ ideological and moral construction.

Key words: Southwest multinational regions, adolescents, ideological and moral quality, inhabiting factors