The special training of the US Mission for riders includes the requirements of appearance and uniform, the responsibilities of riders, the etiquette of riders, driving and personal safety, the training of riders' property safety and counterfeit banknotes, and the standard procedures of riders' operation.

The main duties of the US group riders are: to wear uniform uniforms and meet the standards of Yum! The appearance of, always keep yum! "s image, complete the delivery task in a polite and friendly manner, properly handle customer complaints, hand them over to the manager on duty, keep nervous and act quickly, work closely with the team, respond to emergencies according to safety procedures, be familiar with the business circle, abide by all traffic safety laws and regulations, determine the safest and fastest driving route, and carefully manage yourself and the company.