The reason why couriers and online delivery workers are favored is, first of all, that they are able to be welcomed by users with enthusiastic services. At the same time, the service work of the courier and network delivery workers, so that the distance between the purchase and sale activities to shorten the rapid development of the flow of funds. Thirdly, the services of couriers and network delivery personnel, so that the sale of goods and catering services can reach the door to do a convenient and fast, to meet the needs of the fast-paced social life. Therefore, couriers and net delivery workers are favored. For reference.