Lotus (scientific name: Nelumbo SP .; English name: Lotus flower): belongs to the genus Ranunculaceae and is a general name for two species of lotus. Also known as lotus, water hibiscus and so on. It is a perennial aquatic herbaceous flower of the lotus genus. The underground stem is long and thick with long nodes, and the leaf shield is round. Flowering from June to September, solitary on top of pedicel, many petals, embedded in torus, red, pink, white, purple and other colors, or colored patterns, edging. Nuts oval, seeds ovate. There are many types of lotuses, which are divided into two categories: ornamental and edible. Native to tropical and temperate regions of Asia, China has recorded cultivation in the Zhou Dynasty. The lotus is full of body, lotus root and lotus seeds can be eaten, lotus seeds, rhizomes, lotus roots, lotus leaves, flower and seed germs can be used as medicine. The character of the sewage sludge but not stained is praised by the world. "The leaves of the lotus are infinitely green, and the red lotus is different from the red" is a true portrayal of the beauty of the lotus. The noble character of the lotus, which is "straight in the middle and straight in the outside, does not spread, but does not stain, and is clean and clear, but not demon," has always been one of the themes of the poet Mo Ke singing painting.