Sanduotang Caojia Courtyard Sanduotang Building is a wonderful work of China folk houses. It shows the contents of four major projects 12, thousands of cultural relics and handicrafts, and thousands of photos, with paintings, calligraphy, models and modern lighting and sound effects, which better reflects the general situation of Cao Jia's heyday. Sanduotang Museum mainly includes four major projects: Cao Shi Economic and Commercial History, Ming and Qing Antique Furniture Exhibition, Porcelain Exhibition and Treasure Hall. The economic and commercial history of Cao Shi family mainly reflects the historical process of Cao Shi family from hard work to brilliant creation to decline. There is an entrepreneurial stage of "work at sunrise and rest at sunset"; In the glorious period, there were "600 Mongolian and Russian seats" and "Fu Lushou was happy to surround all directions"; In the decline period, there was a scene of "white smoke in an instant, and thousands of tiles fell one after another". The Ming and Qing Furniture Exhibition exhibited more than 400 pieces of Ming and Qing furniture, which is rare in the world. It is a "hundred-year-old screen" inlaid with 92 natural marbles, with 50 characters of "shou" on the top and 50 characters of "shou" on the back, with the original copy extracted by Qi Zao, the teacher of three generations of emperors, to inspire and warn future generations. There are also "mahogany semi-round table", three-dimensional "marble mirror" and hundreds of pieces of Ming and Qing furniture. There is a saying that "the royal family looks at the Forbidden City and the people look at the Cao family". Porcelain Exhibition The Porcelain Museum exhibited nearly 2,000 pieces of porcelain, from dusters and jars to plates, bowls and plates.

The gold locomotive clock, the national treasure of the Qing Dynasty, exhibited in the "Treasure Hall" was a tribute from France to the Qing Dynasty. It is made of yellow, white and Ukrainian gold, weighs 84.50 Jin, is embedded with a clock and barometer, and can run along the track after winding. This national treasure is the collateral for Empress Dowager Cixi to flee to An Road and borrow money from Cao family through Beixuan. Another treasure is Qiu Ying, a great painter in Ming Dynasty, copying the Riverside Scene at Qingming Festival by Zhang Zeduan in Northern Song Dynasty. The scroll is 7.74m long and 0.45m wide, with 1643 characters and 208 livestock. Feather mirrors, ancient pottery from Shang Bai Yan, broken porcelain from Ge Kiln and other treasures are also on display.

In addition, Sanduotang also exhibited more than 40 original calligraphy works by Zhao Tieshan, a great calligrapher in the Qing Dynasty, the development history of Xingyiquan, the art exhibition of root carving, the Taigu Palace Lantern Exhibition and the history of Taigu County. The golden locomotive clock, the riverside scene at Qingming Festival, feather mirrors and ancient pottery exhibited in Treasure Museum are the essence of Sanduotang Museum. Centennial screen is the most precious furniture in Sanduotang Museum. This screen is 3.8 meters high, 5.02 meters wide and weighs 1000 kg. It is made of 92 natural marble inlaid with elephant bones. The whole picture is made up of 15, and there are 50 ancient longevity characters in China with different fonts on the top and bottom, hence the name. In the middle of the picture are three emperors (Daoguang, Xianfeng and Tongzhi) and Qi Juanzao, a native of Shouyang, Shanxi. Extract ancient 17 thinkers, philosophers, emperors and sages to enlighten and guide the famous aphorisms that warned future generations.