A meal detection method executed by a processor of a computer, the meal detection method includes acquiring first sensing data from a first sensor configured to detect a motion of an arm of a target person； acquiring second sensing data from a second sensor configured to detect a heart rate of the target person； setting a motion section in which a specific motion by the arm of the target person is executed at least twice or more based on the first sensing data； and determining whether a meal is performed in a section including at least a portion of the motion section, based on the second sensing data corresponding to the motion section and learning information corresponding to a unit motion of the specific motion at a time of the meal.
