Coix is a long-lived herb. They often appear in tropical climates and like to grow in wild forests. Especially in humid terrain such as rice fields or river banks. Usually the roots, stems and seeds of the Coix are harvested and dried. Then they can be used for processing or decoction.

Coix seeds are not only a medicinal herb in traditional medicine, but are also chosen as a daily food, a very nutritious food, the effect of coix seeds on children in treating some diseases is very effective.