"Double Eleven" refers to November 11th every year. It refers to the large-scale shopping promotion carnival day represented by e-commerce that has emerged across China. Since October 1, 2009 and the Mid-Autumn Festival were celebrated together, on November 11 every year, large e-commerce websites represented by Tmall, JD.com, and Suning.com generally use this day to carry out some large-scale discount promotions to increase sales and gradually become the largest commercial promotion carnival on the Internet in China. "Double Eleven" not only makes e-commerce companies keen on promotions, but even operators have begun to engage in promotional activities. Alibaba Group Holdings Co., Ltd. filed an application for the "Double Eleven" trademark registration with the National Trademark Office on November 1, 2011, and obtained the exclusive right to the trademark on December 28, 2012. At the end of October 2014, Alibaba issued a notification letter, It is said that Alibaba Group has obtained the "Double Eleven" registered trademark. On November 12, 2015, the seventh Tmall Double 11 Global Carnival came to an end, with a full-day transaction volume of 91.217 billion yuan, of which wireless transaction volume was 62.642 billion yuan, accounting for 68.67% of the total.