With the continuous development of modern communication technology and Internet technology, e-commerce standard in China is constantly improving. The thorough study of the influence of e-commerce on residents’ consumption level is of great significance to enhance inhabitants’ expenditure and stimulate economic progress. In the context of communication network technology, this article analyzes relevant literature, uses entropy method to measure the e-commerce level in China, and uses descriptive analysis and grey correlation analysis methods to conclude that e-commerce significantly affects the consumption level of Chinese residentst. Furthermore, it proposes countermeasures and suggestions to improve e-commerce development level and accelerate the improvement of consumer level among residents.