Glutinous rice was no problem at first, and it is the traditional material of our zongzi. Sesame is an auxiliary seasoning to increase the flavor of zongzi. As a seasoning, corn should be fresh and tender, because corn itself is hard and black rice is fragrant, so it can be used as an auxiliary material. Coix seed has the characteristics of easy digestion and absorption, and can be used for nourishing and medical treatment. It is also an auxiliary material. The main ingredient is glutinous rice, which has a sticky effect.