The ordered food and drink conveying apparatus includes: a main belt conveyor to form a conveying path leading to a customer seat from a kitchen side of a restaurant; an auxiliary belt conveyor to be provided in extension from the main belt conveyor on the kitchen side to elongate the conveying path; and a control unit to operate the auxiliary belt conveyor and the main belt conveyor upon a conveyance start operation being performed and to convey the dish of the food and drink placed on the auxiliary belt conveyor to the customer seat, the control unit setting the auxiliary belt conveyor in a stop state enabling placement of the dish to be conveyed next on the auxiliary belt conveyor before stopping the main belt conveyor upon the dish being transferred onto the main belt conveyor from the auxiliary belt conveyor by performing the conveyance start operation.