According to the data query, Wang Youjun is another name of Wang Xizhi. Because he is a general of the right army, he is called Wang Youjun. The origin of Wang Youjun title: When Wang Xizhi was 48 years old, he had an opportunity to go abroad. At that time, Wang Shu's mother died in Huiji, and Wang Shu had to leave his post for mourning. So, Wang Xizhi filled this vacancy. This is what we call the final official position, the history of Hui Gine, and the general with the right of bugle call.
In ancient times, people generally didn't like to call others by their first names. In many cases, they will call others by their first names, but they usually call people they hate and despise by their first names. This is a question of etiquette, which is particularly important in feudal society. Therefore, the ancients liked to address others in the following ways, such as expressing their names, their own names, posthumous title's and Zhai's names, their native places, county names, official names, official places and titles. Wang Xizhi, a great calligrapher in the Eastern Jin Dynasty, was a right general, so people still called him Wang Youjun.