It is difficult for Nanjing University to support Northwest University in training doctors. It is more intense to apply for a doctor of orientation, because the so-called doctor of orientation means having a job after graduation, or the unit trains a doctor alone. For example, some colleges and universities face the orientation doctor education adopted by teachers with low academic qualifications. Generally, orientation doctors don't have to spend their own money, and some even go to school with pay, so they are very popular with on-the-job staff, and so are flying on-the-job staff.