Guangxi. Fragrant leaves are also called fragrant leaves. Fragrant leaves are produced in Guangxi and are the best. The landscape environment in Guangxi is relatively good. The cultivated fragrant leaves have smooth color, high oil content and the best quality. Yezixiang has been widely planted now. The main producing areas in China are Guangxi, Zhejiang, Jiangsu, Fujian, Taiwan Province and Sichuan. Yezixiang is a traditional Chinese medicine, which has the effects of warming middle warmer, promoting qi circulation, relieving pain, dispelling cold and invigorating stomach. Yezixiang can ensure human health mainly by seasoning, and has a very obvious effect on improving Yang Qi.