1997年，北京市经济快速发展，物价涨幅继续回落，社会稳定，市场繁荣，居民生活水平进一步提高，消费结构更趋合理。在居民家庭总体收支水平进一步提高的情况下，为了反映和监控不同收入居民家庭的收支状况，现对我市1000户城市住户调查资料中的高、低收入组各20％的居民家庭 In 1997, with the rapid economic development in Beijing, the price increase continued to fall. Social stability, market prosperity, and a further improvement in the living standards of residents have made the consumption structure more rational. In the case of further improvement in the overall income and expenditure of the residents’ families, in order to reflect and monitor the income and expenditure of the families with different incomes, the survey of residents in 20 cities in the 1000 urban households in our city now shows that 20% of the households in the high- and low-income groups