This paper presents the climatic characteristics of paddy rice growth over the Iow-latitude plateau of Yunnan,Integration-regression numerical modelling analysis of theyield and meteorology during the growth for various parts of the province gives integrative mathematic expressions for the growing rice sensitivity to the climate,indices of regionalization and space distribution characteristics for the different sections,together with the studyof major climate sensitivity factors with the critical period.On this basis,the rice-plantings chemes are presented for the different climates of the province.