The purposes of this study are to classify farm area and to develop farm system by region. The factor analysis was used as a main analysing tool to approach these purposes in this study. The farming of Kyung-Ju area in cropping sector is classified into 11 cropping systems. The distribution of specialized regions is very distinctive by the cropping systems. The specialized regions resulted from this analysis are different by factor. An efficient means to raise agricultural competitive power is to realize farm specialization by region according to productivity factor.