Personal commitment letter expresses personal wishes, which is actually a contract with legal effect. The personal commitment letter of the teacher qualification examination is submitted to the invigilator when entering the examination room You can print it on your behalf and then enter the examination room to submit your signature on the spot. Don't let others sign it, especially this kind of commitment letter. If it is strictly operated, even the commitment letter is not signed by yourself. How to ensure that personal integrity can be rejected by one vote?