Automatic food selling method and automatic food selling machine

The invention relates to the technical field of vending equipment and in particular to a method and machine for food automatically selling. The method includes receiving a food purchasing command which includes additional information of food; judging whether the additional food information includes heating information or not, if yes, controlling a mechanical arm to pick up the food from a freezing or cold storing device and transfer the food a heating device for heating; after heating, controlling the mechanical arm to pick up the food from the heating device and transfer the food a thermal insulation device connected with a delivering device; judging whether the food in the thermal insulation device is delivered within the preset-time, and if not, picking up the undelivered food and transferring the same to a recycling place by the mechanical arm. The functions of freezing / cold storing, heating and thermal preserving are integrated, and the quality of the food can be guaranteed in long time. The machine which is convenient and quick has the advantages that space is more reasonably utilized by adopting the mechanical arm to pick up food, the size of the machine is decreased and the cost is lowered as compared with the existing belt conveyors.