Plantain, also known as mustard, is a perennial herb of Plantain. Growing in Shan Ye, roadsides, flower beds, rivers and other places. Rhizomes are short and thick with dense fibrous roots. All leaves are rooted, smooth, broadly oval, with wavy edges, inconspicuous blunt teeth, five main veins, protruding to the back of the leaves and reaching into the petiole like ribs, and the leaves are often as long as the petiole. In spring, summer and autumn, spikes appear in the center of the plant, with small flowers and inconspicuous corollas. The yield of banana is not high, and a fresh banana is generally between 5 yuan and 1. The price of fresh food is generally 6- 12 yuan per catty. The price of air-dried banana is quite high. Generally, at the drugstore, 25-35 yuan pounds. You can look at the pictures of banana: