Eelsen Liang Zuo Platform is a well-known e-commerce platform affiliated to Shanghai Hemei Information Technology Co., Ltd. The platform is located in Jinshan District, Shanghai, and was established on April/June/2002 1 day. Mainly provide clothing, shoes and hats, home life, digital home appliances, food and drinks, personal care, cleaning and other commodities. It claims to provide consumers with high-quality and low-priced products through YEATION original high-quality manufacturers, and provide comprehensive supervision in all aspects of products, logistics and after-sales to protect consumers' rights and interests. E-commerce platform refers to a virtual market that provides online transaction negotiation for buyers and sellers based on Internet technology. On this platform, sellers can display goods and buyers can buy the goods they need. E-commerce platform not only includes online shopping, payment and logistics tracking services, but also involves many functions such as customer service. E-commerce platforms can be divided into different modes, such as B2B (business-to-business), B2C (business-to-consumer) and C2C (consumer-to-consumer). These models have their own characteristics, but their goals are the same. They all trade goods and services in the Internet environment.