Sweet corn (Sweet corn) is a species of corn, also known as vegetable corn, family Gramineae, genus Zea mays. Sweet corn is one of the main vegetables in developed countries such as Europe, America, Korea and Japan. Because of its rich nutrition, sweet, fresh, crisp, tender features and favored by consumers from all walks of life. Ultra-sweet corn is widely planted due to its high sugar content and long harvest period. China is the world's origin center of glutinous corn, with a long history of cultivation. Glutinous corn is rich in nutrients and high in food value, and is widely used as a nutritious food in today's world.

It is a type of corn that differs from other corn due to the presence of one or several genes. Sweet corn is a type of vegetable corn.

The part of the plant of sweet corn that is consumed is the immature kernel, which consists mainly of the endosperm and the ovary wall (immature glume skin). Its eating quality is determined by the flavor and structure of the endosperm, as well as the softness of the pericarp, all of which are influenced by genes.