Ginger flower, also known as wild ginger flower, is a fresh-water herb of Zingiberaceae, with a height of 1-2 meters. Visible in potted plants, white flowers are like butterflies, so they are also called butterfly ginger and white iris. Originated in tropical Asia, tropical India and Malaysia, it was probably introduced to China in the Qing Dynasty. The inflorescence of ginger is spike-shaped, the calyx is tubular, the leaf order is alternate, the leaves are long and narrow, the ends are sharp, the leaves are bald, and the back of the leaves is slightly hairy. Not cold-tolerant, like warm winter and wet summer environment, poor drought resistance, suitable for semi-shady growth in the early stage, and sufficient sunshine in the vigorous stage. The soil should be fertile and have a strong ability to retain water. Ginger flower has a fresh fragrance and can be used as a natural indoor air freshener. In addition, ginger flower is the national flower of Cuba.