A sugar-coated agent that includes a core, a film layer that mainly includes a film component, the outer surface of the core being coated with the film layer, a sugar coating layer that mainly includes a sugar coating component, the outside of the film layer being coated with the sugar coating layer, and a middle layer that includes a film component and a sugar coating component and is provided between the film layer and the sugar coating layer, wherein within the middle layer and the concentration of the sugar coating component at the interface between the middle layer and the sugar coating layer is higher than the concentration of the sugar coating component at the interface between the middle layer and the film layer.
