Fortune telling with a vertical flagpole _ What's the point of a vertical flagpole?

What does the ancient Rencheng Erqi Flagstaff Yard mean?

In ancient times, Rencheng Chengdu Erqi Flagstaff Yard meant the courtyard of imperial examination celebrities. According to relevant data, in the ancient history of China, Rencheng No.2 flagpole refers to the flagpole that stood in front of the mansion during the imperial examination, while Rencheng No.2 flagpole courtyard refers to the courtyard of a famous family. The symbol of the imperial examination fame is to plant a flag in the yard.