Lotus, also known as lotus, water hibiscus, etc., is a perennial aquatic herbaceous flower of the Nymphaeaceae family. The underground stems are long and thick, with long nodes and round leaf shields. The flowering period is from June to September. They are solitary on the top of the pedicel, with many petals embedded in the receptacle. They come in various colors such as red and pink, or have colored text or borders. There are many types of lotus, divided into two categories: ornamental and edible. They are native to tropical and temperate regions of Asia. There are cultivation records in my country as early as the Zhou Dynasty. The fruit of the lotus is oval, the seeds are oval, and the whole body is full of treasures. The lotus root and lotus seeds are edible, and the lotus seeds, rhizomes, lotus nodes, lotus leaves, flowers and seed germs can be used as medicine. His character of emerging from the mud without being stained has always been praised by the world.