家底经费是指历年留用的经费分为历年预算经费节余和历年预算外经费结余两部分。历年留用经费的多少,表明一个单位的经费家底情况,是部队单位解决实际问题的主要财力,也是部队各级首长关注的主要问题之一。为了搞好家底经费的管理,财务部门每年终了都必须通过对历年留用经费收支情况的分析,反映出本单位经费家底 Household fund means that the funds retained over the years are divided into savings over the previous year’s budget and extra-budgetary funds over the years, the balance of two parts. The amount of funds retained for the past years shows that the family background of a unit is the major financial resource for unit units to solve practical problems and one of the major issues of concern to the heads of departments at all levels of the armed forces. In order to do a good job in the management of family expenses, the financial department must, at the end of each year, analyze the situation of income and expenditures of the retained funds over the years and reflect that the unit funds