For example:
"I am XXX, XXX county people, XXX village people. I have studied various subjects since I was a child and studied literature and classics for many years. " I am filial and faithful, my family is poor and weak, and I have no mind to serve my country. Therefore, I seek the help of sages to reach a higher level. "
In addition, in ancient China, self-introduction would also emphasize one's social status and network, so as to increase one's qualifications.