From the theoretical and practical angle, this paper discusses how Chengdu local finance supports overall urban-rural development,eradicating urban-rural dual structure and promoting urban-rural integration process,analyzes current situation,main contradictions and reasons for Chengdu local finance to support overall urban-rural development,holds that the policy selection and path of Chengdu local finance's supporting overall urban-rural development are increasing financial investment,establishing integrated public financial framework and stably increasing mechanism of financially supporting agriculture capital,consolidating infrastructure construction of agriculture and villages,increasing scientific and technological investment in agriculture,promoting industrialized management of agriculture,increasing education investment in countryside,improving self-development ability of agriculture,promoting agricultural industrial structure adjustment,encouraging development of specialized cooperation organizations,constructing integrated urban-rural administrative system and establishing new urban-rural management system of finance and tax.