Abstract: In the information age,Internet finance plays an important role in providing financial services to households and easing credit constraints.This paper selects enjoying type consumption and developing type consumption as indicators of the upgrade of consumption structure,by using the 2017 China Family Financial Survey(CHFS)data,it constructs Ivprobit model to study the impact of Internet finance on the upgrade of urban household consumption structure.The results show that:(1)Internet finance helps to promote urban household consumption structure upgrade,and the promotion of enjoying type consumption is more obvious compared to developing type consumption;(2)Internet finance increases the expenditure of urban families in the enjoyment,developing type consumption by increasing financial availability and credit demand;(3)Financial availability and credit demand contribute significantly to Internet finance in increasing the total consumption of urban households,which indicates that Internet finance also contributes to promoting subsistence consumption of urban households.Accordingly,in order to realize the upgrade of urban household consumption structure,this paper proposes to use financial technology and digitalization ways to break through consumption restrictions and increase the current consumption ability and willingness of urban households.

Keywords: Internet finance; consumption structure; financial availability; credit demand; developing type consumption; enjoying type consumption