物价指数是国家了解市场物价变化，进行宏观调控的一项重要指标。商品价格的构成因素纷繁而复杂，这是由其价值特性所决定的。凝结成商品价值的人类劳动虽然在质的方面没有差别，但在具体量的方面却存在着多与少的差别。商品在生产和销售阶段中投入的活劳动和物化劳动的种类、 The price index is an important indicator that the country understands changes in market prices and carries out macro-control. The compositional factors of commodity prices are numerous and complex, which is determined by their value characteristics. Although there is no qualitative difference in the human labor condensed into commodity value, there are more or less differences in the specific amount. The types of living labor and materialized labor invested in the production and sales stages of goods,