The scientific name of zongzi leaves is Indicalamus Leaf, and the leaves of l.latifolius belong to l.NaKai, which are mainly distributed in the hilly areas of the southern provinces of the Yangtze River. Zongzi has been wrapped with zongzi leaves in the south of China because of its special bamboo fragrance and antiseptic effect. Growing in the vast mountains, it has developed roots and strong vitality. It is not only a good vegetation for water and soil protection, but also an inexhaustible wealth. It is a "green bank" for people in mountainous areas, with an area of 200,000 mu and an output of 8,000 tons. It contains a lot of chlorophyll and amino acids that are beneficial to human body. It can extract natural flavors, fragrances and food additives. It smells fragrant and has the feeling of returning to nature. It can be used not only for wrapping zongzi, but also for packaging other foods, decorations on the dining table and food foil, as well as for weaving utensils, making lunch boxes and cutting them into various shapes. Zongzi leaves, which grow naturally, are non-toxic and pollution-free, and can be harvested every year and season. As food packaging, they are pollution-free and disposable. Therefore, it is called "natural green food" by nutritionists today.

It has long been recorded in Compendium of Materia Medica that zongye has the functions of clearing away heat and stopping bleeding, detoxifying and reducing swelling, and treating hematemesis, bleeding, dysuria and carbuncle. In recent years, studies have proved that Indocalamus leaf polysaccharide has anti-cancer effect. The Dictionary of Traditional Chinese Medicine also introduces that Zongye has the functions of clearing away heat and stopping bleeding, detoxicating and detumescence, and treating hematemesis, dysuria, laryngitis and carbuncle.