As the name implies, the courtyard is a courtyard, and the whole building is run through by corridors, such as flowing clouds and flowing water, which is the origin of "Qu" and "Lang" in the name. The master is a man of great taste. He has been doing antiques, calligraphy and painting business all the time. Every small ornament in the yard is old. It is interesting to look at it carefully.

It is located in the Hutongs of the old city of Beijing. Judging from the wood structure and the size of the grey bricks, it should be at least the remains of the Qing Dynasty. The art of antiques stresses the use of Baoji, which is the natural luster formed on the surface of artifacts over the years. The building also has the coating mortar, an old house, is the smell of years of mortar in the cracks of the walls and floors. The whole building has won one of the 20 most popular projects of the world famous design website archdaily in 2015. The designer is Yang Mei Professor Han Wenqiang, who was selected as one of the world"s top ten "design vanguard" in 2015 by the authoritative American media "Architectural Record".