The present invention provides a recipe reward system capable of providing a reward for a recipe registered by a user. To this end, according to an aspect of the present invention, the recipe reward system of an unmanned store comprises: a data server for storing cooking recipes of food; an input module for receiving and storing recipes of food; a frequency calculation module for measuring a frequency of use of the recipes stored in the data server; a ranking module for ranking the recipes stored in the data server; and a point transmission module for transmitting reward points to a user who have entered a recipe according to a rank of the recipe.
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