Beihai Park, located in the center of Beijing, is one of the best-preserved imperial gardens of the Qing Dynasty in China. The broad lake surface is rippling with blue waves, and the beautiful Qionghua Island is dotted with pavilions and pavilions. There is a quaint courtyard on the north bank of the Beihai water called Chengguan Hall.
Chengguantang consists of three courtyards, and the innermost courtyard is called Kuaixue Hall. The walls of the east and west corridors of Kuai Xuetang are each inlaid with 24 calligraphy stone carvings. Each stone carving is 1 meter long, 33 centimeters wide and 10 centimeters thick. They are the stone carvings of "Kuai Xuetang Fa Tie".