The purpose of launching the "pre-sale speed delivery" model is to buffer logistics pressure. For merchants, pre-sale products are shipped in Special Database advance, allowing them to free up more warehouse capacity and arrange off-peak delivery. For courier companies, the delivery pressure originally accumulated after November 11 has been "evened" to a longer period of time, and couriers can have a relatively smooth transition. The logistics time is greatly shortened, and it is inseparable from the data support of the Alibaba platform system. According to the public Special Database introduction: the e-commerce platform can predict the sales volume of products in a certain area according to the behavior of users browsing products. Adding shopping carts, adding favorites, participating in product pre-sale, etc.; Ship to Special Database the courier company warehouse, or a warehouse closer to the consumer. Earlier, Cainiao disclosed the data of the intelligent logistics backbone network, saying that in 2019 Tmall's "Double Eleven" stocked the most masks, feminine care products, and toiletries. In addition, popular products will also be prepared according to regional differences. For example, the Cainiao Warehouse in the Special Database south has a lot of thermal underwear, while the Northeast has more grain, oil, rice noodles. From the preparation before the festival to the final realization of "delivery as soon as the order is placed. The Daniao site, which is regarded as a front-end warehouse, has contributed greatly. Daniao is a landing distribution business under Cainiao. Different Special Database from traditional express delivery, landing distribution is regional distribution, focusing on refinement and specialization, and is superior in timeliness and distribution capabilities. According to the introduction of Daniao's official website, at present, it mainly focuses Special Database on aging products, and there are three categories: same-day delivery, next-day delivery and next-day delivery. "Double Eleven" with ultra-fast delivery, logistics secret battle with Ali, and Pinduoduo Product introduction on Daniao official website.