居民消费价格指数是反映一定时期居民支付所购买的生活消费品价格和获得服务项目价格趋势和程度的一种相对数,它可以观察居民生活消费品及服务项目价格的变动对居民生活的影响,为各级政府掌握居民消费价格状况,研究和制定居民消费价格政策、工资政策以及为新国民经济核算体系中 The consumer price index is a kind of relative number that reflects the trend and degree of the price of consumer goods purchased during the period of payment and the price of the service items. It can observe the impact of the changes in the prices of consumer goods and service items on the residents’ lives Level government grasps the consumer price situation, studies and formulates the consumer price policy, the wage policy as well as for the new national economy system