1. Consumer Price Index (CPI): This index reflects the relative number of price changes of consumer goods and services purchased by urban and rural residents in a certain period, and is the result of comprehensive summary calculation in urban consumer price index and rural consumer price index.
2. Producer price index (PPI): the relative number that reflects the price change degree of products finally sold by producers in a certain period, including the price index of means of production and the price index of means of subsistence.
3.GDP price conversion index: it is the ratio of nominal GDP to real GDP, reflecting the change of overall economic price level.