Self-examination should be carried out at the beginning to find out the reasons for your mistakes. We should be more emotional and behave more innocently. The number of words is about 100 to 200 words. Its general opening format is as follows:

I made a mistake this time. I thought a lot and reflected on many things. I regret myself, hate myself for breaking the rules, and deeply realize the seriousness of my mistakes. Be ashamed of your mistake.

Afterwards, I thought calmly for a long time. This mistake not only brought me trouble, delayed myself, but also brought bad influence to XXX, destroyed the management system of XXX and affected the discipline of XXX. Now I made a big mistake, and I deeply regret it. I will always review myself, criticize myself and educate myself by taking this disciplinary incident as a mirror. The following is my own profound review.