The public examination of thinking certificate is reliable. The public examination of grade certificate is an institution that provides civil servants with examination counseling training, written examination and interview counseling, and has a certain popularity and influence. The teaching team of this institution is composed of many civil servants and outstanding senior students from prestigious universities, and has rich teaching experience and teaching resources. Judging from the official propaganda and students' feedback, the teaching methods and quality of the public examination of thinking and certificate are excellent, with wide coverage of teaching contents, flexible teaching methods and obvious teaching effects. At the same time, the public examination of thinking certificate also provides a variety of learning tools and auxiliary materials, such as video courses, question banks, online question answering and so on. It is convenient for students to learn independently and consolidate and improve. Generally speaking, the public examination of thinking card has a certain popularity and reputation in the field of civil service examination counseling and training, so it is more reliable.