Lecturer of Tang Wan Academy, the first champion of Taobao's strongest voice search, the founder of Muse City, five years' practical experience in Taobao, running more than 20 categories and Tmall stores with annual sales of 20 million. The through train actually invested more than 30 million and had more than 200,000 students, helping thousands of students to achieve the crown from 0, and some of them achieved the first category! Lei Zi Chang (Mars) was born in rural Yibin, Sichuan, and his family was poor. In 2008, he officially contacted Taobao website and began to try to start a business, contacting various categories, women's shoes, women's wear and agricultural products. 20 1 1, admitted to Chengdu university as a marketing major, and designed the details page of Taobao shop by decorating it. It has been asked by many sellers to share their experience in operation and promotion. In September of the same year, the "Mars Taobao Training Course" aimed at improving the training services for small and medium-sized sellers was formally established, and the e-commerce training business was officially started. On September 20 12, Mars registered two brands of "Chengdu Music City E-commerce Co., Ltd." and "Music City" and started the corporatization operation of the e-commerce training company. 20 13, 10, Musicheng became the first online cooperative training institution of Taobao University. On 20 14, Muse City was awarded the "Most Popular Award" by Taobao University. 20 15, 1 1, Muse City was officially upgraded to "Xingmang Online".