the e-commerce model is iterating every 3 years. From C2C to social e-commerce to the latest live-streaming e-commerce, traditional e-commerce giants, traffic oligarchs and startups are fighting endlessly. Front-end channels inevitably become more and more fragmented. At the same time, emerging channels often represent smaller and smaller order sets and faster feedback needs. Taking the changes brought by live broadcast e-commerce as an example, the live broadcast e-commerce that generated hundreds of billions of GMV in 2019 has brought vitality to a large number of dying small and micro garment factories. The fast and high conversion rate live broadcast transaction method makes the anchor in a long-term out of stock state. The two ends of supply and demand hit it off, forming a large number of interesting formats of pre-sow and back-plant. (1) Live broadcast changes the traditional supply chain: shortening the link, flexible production Head anchors can easily sms marketing service cover the annual production capacity of small garment factories. Taking Taobao Live as an example, nearly 10,000 apparel anchors and hundreds of contracted MCN agencies correspond to 100,000-200,000 small and micro garment factories with an annual output value of less than 20 million yuan.