The invention discloses a maize pot plant and a manufacturing method thereof. The manufacturing method comprises the steps that seeds of an early-maturing short-stalk maize variety are selected and buried into a flower pot filled with special formula culture soil after being processed, and the flower pot is integrally packaged into the crop pot plant which is suitable for urban family cultivation and is used for science popularization education of children. After water is added into the pot plant, the maize seeds will sprout, grow, bloom and fruit. Children can plant maize easily and conveniently by themselves through the maize pot plant and learn about the whole growth and development process of the maize, scientific knowledge of the children can be increased, and the good habit of children to cherish the grain can be cultivated.