Due to the registration requirements of PMP exam, "candidates must have more than 35 hours of PMBOK learning or training experience in project management and produce copies of relevant certificates." So candidates must sign up for training.
Moreover, the content of PMP exam is complex and difficult, and attending training courses can help students pass the exam more efficiently. In the training course, professional teachers will systematically explain the requirements and contents of PMP examination, and also guide students how to deal with the problems that may be encountered in the examination. Help students have enough time and energy to cope with the complexity of PMP exams.