The old horse is rich and expensive, which refers to the inscription on the petals of Chunlan lotus cultivated by a orchid in Nanjing. According to relevant records, the first inscription of Ge Zhenglian petal of Chunlan is Orchidaceae, the classic representative of Lotus petal of Chunlan, the king of lotus petal, and Dafu is another name of this orchid. Ma Lao's Dafuguihua is famous for its good quality and rich fragrance, so it is named Ma Lao Dafuguihua.