Baikui's roast lamb in the old Beijing has been the most elegant and well-known roast lamb in the old Beijing. Its roast lamb (also known as roast whole lamb) is known in Beijing for its unique flavor, and is juxtaposed with the "Donglaishun" stew of lamb, "roasted lamb season" and "Yueshengzhai" sauce of lamb, becoming the famous mutton product of Beijing "four people"