Simply speaking, the mobile phone open-book examination is an examination method that allows students to use mobile phones, computers and other equipment to access information during the examination. This kind of examination can not only reduce students' memory pressure, but also really measure students' ability to become problem solvers.

The advantage of mobile phone open-book examination is that it can help students understand a problem more deeply, thus cultivating students' critical thinking and analytical ability. The disadvantage is that it is easy to encourage cheating. If the examination questions are not rigorous enough, students may rely too much on consulting materials and it is difficult to cultivate their memory and thinking ability.

Although there are some shortcomings in mobile phone open-book examination, it is still a very effective examination method in suitable occasions. Therefore, we call on educational institutions and teachers to pay more attention to and study the open-book examination of mobile phones, ensure its rational use, tap its potential to the greatest extent, and provide students with more comprehensive education and training.