This is how Douyin solves delivery problems for food delivery. The food delivery app can connect to third-party delivery companies, such as Meituan Delivery and Dada Delivery. As long as someone places an order on the food delivery app, the order will be immediately sent to the third-party delivery company, which will send a delivery person to pick up the food. The entire process is completely completed by the system, and merchants do not need to participate at all.