The invention provides a canteen meal providing method, an apparatus and a system thereof and relates to the canteen meal providing technology field. The method comprises the following steps of sending a dining intention inquiry and a pre-stored menu to a consumer client; receiving response information of the consumer client in a preset time period; calculating a first quantity including response information of determined dining, a second quantity including response information of undetermined dining and an appearance frequency of preselected names of food products, and generating and sending a calculation result to a canteen client; through the canteen client, receiving food product information; determining whether names of the food products include the preselected names of food products; if the names of the food products include the preselected names of the food products, pushing the preselected names of food products and a window number corresponding to the preselected names of food products to the consumer client; and if the names of the food products do not include the preselected names of the food products, pushing the food product information to the consumer client. In the invention, communication between canteen personnel with diners can be enhanced so that the canteen can provide food products according with public minds and food purchasing efficiency is effectively increased.