Screen wall introduction: It is often built on the south gable of the east wing of the front yard of a courtyard house and the south gable of the east wing of the backyard. The screen wall uses exquisite materials and fine workmanship. It is divided into three parts: hat, heart and base. The hat is carved with longevity peach, ten thousand characters brocade, eaves, tiles or tiger heads, or the word "Fu", and polished bricks and fake rafter heads, either round or square. , plum blossoms are carefully carved to bring about the beauty of everything; the outer corners of the heart are carved with flowers of the four seasons, and the inner corners are carved with cloud flowers. In the center, the word "Hongxi" is placed or carved or the word "福" is written, and the upper left point of the word "福" is a bat. The lower part is in the shape of a sika deer head, while the right side is in the shape of a longevity star, implying auspicious patterns such as fortune, wealth, and longevity.