Consumer Price Index, also known as Consumer Price Index, or CPI for short.

It is a relative number that reflects the trend and extent of price changes in consumer goods and services purchased by urban and rural residents within a certain period. It is the result of a comprehensive summary calculation of the urban consumer price index and the rural consumer price index. . This index can be used to observe and analyze the impact of changes in retail prices of consumer goods and service prices on the actual living expenses of urban and rural residents. It is a macroeconomic indicator that reflects changes in the price level of consumer goods and services generally purchased by households. It is a relative number that measures the changes in the price level of a group of representative consumer goods and services over time within a specific period of time. It is used to reflect the changes in the price level of household purchases of consumer goods and services. It is a measure of the changes in the price level of consumer goods and services purchased by households within a month. and service retail price variation coefficient.