In order to further explore the main influencing factors in the process of consumption upgrade of urban residents in my country, the Sichuan region is taken as the research object, according to the local statistical yearbook, the consumption expenditure data in the 1997-2020 statistical yearbook is selected and analyzed from the marginal propensity to consume The characteristics of urban housing upgrading in Sichuan Province, and the relevant impacts of residents' consumption are derived based on this; the study divides residents' consumption expenditure into eight categories: food expenditure, clothing expenditure, household equipment and services expenditure, education, culture and entertainment service expenditure, and medical and health care expenditure , Transportation and communication expenditures, housing expenditures, and miscellaneous goods and services expenditures, and through theoretical analysis of the characteristics and influencing factors of residents' consumption upgrades, the objective conclusions are drawn that urban residents' consumption upgrades promote economic reform and economic development in Sichuan Province.