In recent years, unceasingly sped up along with our country urbanization, the urban development and the construction used the rapid expansion, the massive suburb agriculture used to transfer the construction to use to use, intensified our country's person contradictory. In the development urbanization advancement plants crops the protection the research, the realization farming total quantity dynamical equilibrium, provides the powerful safeguard to our country's food security. This article take Wuhan as an example, using the comparison analytic method, qualitative and the quantitative analysis unifies the research technique, has carried on the time variation and the spatial variation analysis to the recent years cultivated area data, obtains plants crops the characteristic which the non-agriculture pasts, and analyzed this city to plant crops the power factor which the non-agriculture pasted, then proposed the full use city storage quantity land, intensive and saved uses the city land, protected the farming strictly the specific measures. To solves our country “to eat meal” and “the construction”, “the urban development” and “the farming protection” the between contradiction has the practical significance.追加点分吧,(我也不知对不对,问人的)