China is a major consumer and importer of energy; crude oil reserves and international oil prices have a greater impact on China’s economic security and price levels. In recent years, the impact of international oil prices on consumer prices has been widespread concerned in government and academia. Based on the background of international integration, from the perspective of international supply, multiresolution wavelet method is used to decompose the impact of international oil prices on China’s CPI. Based on the background of international integration and the perspective of international supply,international oil prices and China’s CPI data are decomposed into shortterm and longterm time series data with wavelet multiresolution decomposition method, testing that the international oil prices impact on China’s CPI component.It is found that there is coherence between the ups and downs of international oil prices and the CPI fluctuation, but compared with the US, Japan and eurozone countries, the international oil price has a weaker influence on China’s CPI,and shortterm impact effects weaker than the longterm impact. As to the pathway, the oil price impact upon china’s CPI through the supply of residents’ durable consumer goods such as automotive and housing consumption in the medium and longer term. To effectively respond to fluctuations in the international oil price impact on China’s CPI, this paper puts forward policy recommendations from the perspective of supply, demand and transmission control.

economic new normal; international oil price； CPI； The wavelet multiresolution analysis