Orchidaceae are plants with most abundant of species in the plant kingdom (about 20,000 species). With exception to the extremely cold polar or dry desert environments, orchids can be seen in almost every ecological environment on earth. Due to its uniquely shaped flowers, its high ornamental value and its adaptability to different environments, there are many species of orchid plants, and the size of the plants and flowers vary greatly. Orchids are an important ornamental flower in horticulture, products are mainly divided into leafy boat orchids and floral orchids, such as Moth orchids and Venus slippers.