The riders recruited by MileagePlus mainly refer to positions such as takeaway delivery workers, and the business licenses required mainly include individual business licenses as well as catering service licenses. According to the query related information, the license is the proof that the takeaway deliveryman is legally engaged in commercial delivery service, and also provides some protection for consumers. Some cities have corresponding takeaway delivery personnel management regulations, requiring takeaway platforms and merchants to carefully review and manage the license and training of delivery personnel.