This study aims determine the financial performance in East Sumba Regency. data used in this study in secondary data from the target dan budget revenue and expenditure in East Sumba Regency in 2005-2009 with data collecting technique through the study documentation. The data analyzsis use the budget financial ratios on APBD comprising the self-sufficiency ratio. effectiveness ratio. effiency ratio, and growth ratio. These result indicate that: (1) East Sumba Regency still has a very high financial dependence on central goverment. (2) in terms of effectiveness, East Sumba Regency has a good region financial performance, (3) in terms of efficiency, East Sumba Regency has less efficeint of region financial performance, and (4) the financial performance of the year 2005-2009 in East Sumba Regency is experiencing positive growth.