In this paper we have wsed of the cluster analysis method study on rodent communities strweture inhutubi cow breeding farm from july to August in 1995.The result indicates that the rodent communities in this area could be divided into two types ; 1. farmlandrodent community .mainly consisting of cimigratoriws and M. musculus

2. desert --grassland rodent community

mainly consisting of A. sibivica and M. oeconomws. Species diversity indees of different the indexes are related to the variation of the ecological environment. Jn pace with increasing economic activities of human beingand time difference of human aetivities .the influnce of different rodent communities is different. The desertchange of artificial landscape and regular Succession tvend have ben comeinto being among rodent species inthis area.