PDU，专业发展单元PDUs（Professional Development Units）：
在取得项目管理专业人员PMP证书后，为加强PMP的专业持续发展，鼓励和认可个人学习机会，为获得和记录专业发展活动提供一个标准的目标机制，维持PMP的国际证书信誉，所有PMP必须满足PMI制定的专业发展计划的要求，以保持其资格的有效性。凡修读于PMI的注册教育提供者(R.E.P.)的课程，均可取得PDU。
PMP每三年必须重新进行认证，重新认证需提供
1． 至少60个专业发展单元；
2． 保证愿意遵守PMI的职业道德标准。
其他有关专业发展计划和专业发展单位的信息请到PMI网址www.pmi.org查找。
一旦获得证书，每位PMP将收到一本专业版发展计划手册。
获得PDU有以下五种方式，下面逐一介绍，为各位PMP做参考。
Category 1: Academic coursework/
PDUs may be earned by completing an academic course after PMP certification. Courses must be offered for degree credit and be related to project management.
1 College semester hour equals 15 PDUs
2. College credit hour (quarter system) equals 10 PDUs
第一类：院校的项目管理课程
取得PMP认证后，完成大学课程可以获得PDU。前提要求是与项目管理相关的学位课程。
1． 大学的学时相当于15个PDU
2． 大学的学分 (每季度) 相当于10个PDU
Category 2: Self-directed Learning or Professional Activities/
A maximum of 15 PDUs per CCR cycle can be earned through self-directed learning. A predetermined number of PDUs may be earned by participating in 8 specified kinds of professional activities.
第二类：自学或者专业活动
通过自学最多可以获得15个PDU，通过参加8种规定的专业活动可以获得特定的PDU。
Category 3: PMI REP Programs
PDUs may be earned by attending educational programs offered by
educational organizations registered with PMI and designated as PMI Registered Educat
