Analysis of the relationship between the scale and livable level of 26 provincial capitals of China shows that with the growth of urban population, urban areas and economic gross, the suitability of the climate and green rate are declining while consumption capability, demand of labors, urban agglomeration degree and urban pollution are rising. Thus, the scale enlargement of China’s central cities pays the price of the declining of livable level and produces congested effect simultaneously. China should have more forcible plan and design and take livable cities as her developing direction in order to make China’s cities realize intensive economic growth under suitable areas and scale.