The rural credit office has been the main financial strength of supporting the development of rural economy all the time, but society'snon-performing loan of a lot of agricultural letters remains high in recent years. The rural credit office of Longxian County of Shanxi was taken asan example, author proposed the agricultural letter society should catch the opportunity of reforming , apply various kinds of measures , quickenthe steps of charging the loan in accordance with the law, make great efforts to vitalize the non-performing loan and make greater contribution tosuppo“rt Three-agriculture ”.