Introduction to the plaque: There are 13 gates, screen doors, and back hall doors facing each other in the front and back of the four main houses. They open in a straight line and open in sequence. The Guangcheng Grand Courtyard stretches far and wide and is of extraordinary magnificence. Its grid system and decoration are comparable to those of Honglin House, and the two houses together form a pearl of ancient residential architecture. Silexuan is a famous scholarly residence. Historically, there have been scholarship mechanisms such as the "Shu Leng Tian". The whole house has a strong emphasis on reading and education, and talents have emerged in large numbers. There were originally 54 plaques and deacon plaques of various types in the hall, among which Descendants are called "descendants under the plaque."