Common certificates of product managers include:

1. Professional qualification certification of product managers: The professional qualification certification examination for product managers jointly sponsored by the People's Republic of China, Ministry of Human Resources and Social Security and China Electronic Commerce Association is the most authoritative certificate in China's product manager industry.

2. internet product manager certification (CPMP): the certification examination for internet product managers sponsored by China electronic commerce association is a certificate for internet product managers.

3. Information System project management division (PMP): Also known as "Project Management Professionals", the certificate in project management sponsored by American Project Management Institute is not specially designed for product managers, but it is of great help in project management.

4. Scrum Master certification: Scrum is an agile development methodology, and Scrum Master is responsible for organizing and implementing the Scrum process to improve team efficiency. Scrum Master certification is also very important for product managers.

in addition to the above common certificates, there are some hard skills and soft skills that product managers need to possess, such as market research, user research, data analysis, communication and coordination, project management, etc., which need to be improved through practice and accumulated experience.

Matters needing attention in product manager's textual research include:

1. Carefully study the examination information: Before deciding to take a certain certificate examination, read the relevant examination information carefully, and get to know the details of the examination subject, content, time, place and cost, so as to make full preparations.

2. Make a study plan: according to the examination syllabus and your own actual situation, arrange a study plan reasonably, study and review the examination contents carefully in your spare time, and improve your knowledge and ability as much as possible.

3. Attend training courses or courses: You can choose to enroll in relevant training courses or courses to help yourself better master examination knowledge and skills, and constantly improve your ability through expert counseling and interactive communication.

4. Do more exercises: In the learning process, do more exercises, master the basic ideas and strategies of the exam, and enhance your confidence and chances of winning the exam.

5. Pay attention to the management of examination time: on the day of the examination, make reasonable use of the examination time, answer questions carefully according to the examination requirements, and complete all the examination contents within the specified time.

6. Pay attention to the rules of the examination room: when taking the examination, you should abide by the rules and disciplines of the examination room, keep the examination order, and do not cheat or violate the rules, otherwise you will be disqualified.

to sum up, the key to the product manager's textual research lies in careful preparation and comprehensive review, and at the same time, we should pay attention to the rules of the examination room and respond reasonably according to the examination requirements in order to achieve good results.