Abstract: Non-cropped habitat in farm landscape plays a significant role in biodiversity, the functions of arable land and crop yields.  This study focused on Shenbei New District in Shenyang City of Liaoning Province in Northeast China, which was a typical area with contradiction between biodiversity conservation and the high demand of agricultural production in the process of urbanization. Information entropy model, handpicking and Baermann method were used for survey and identification of arthropods and nematodes in soils in urban suburban (US), urban fringe area (UFA) and rural area (RA). The cooperative relations between the number of soil animals and types, structure as well as the total amount of noncropped habitat were investigated in these three types of areas using linear regression. Our results showed that the area of single patch in noncropped habitat was smaller than one hectare in Shenbei New District, and the types and the proportion of noncropped habitat patches were increasing along with the increase of their distance to the urban center. But the proportion of non-cropped habitats areas appeared under an inverted U type change. The proportion of noncropped habitat patches was from 8.6% to 27.8%. The individual number of soil animals showed the Utype trend, while their species number changed irregularly. The individual number of soil animals increased with the increase of the proportion of non-cropped habitat patches in RA and US. There was no obvious correlation between the individual number of soil animal and the proportion of non-cropped habitat patches in UFA. The individual number of soil animals decreased with the increase of the proportion of non-cropped habitats areas. There was no cooperative relation in the proportion of non-cropped habitats and the number of soil animal species.