Cotyledons of perilla frutescens are not mint leaves, but two different plants. Mint belongs to Labiatae, Mentha, that is, it belongs to other dry whole grass. Most of them were born by the wetland river in Shan Ye, and their roots are underground. Most of them were born at an altitude of 2 100 meters, but they can also grow at an altitude of 3500 meters. They are aromatic crops with special economic value. The whole plant is green and fragrant. The leaves are opposite, the flowers are small lavender, lip-shaped, and the flowers are small and dark purple-brown.