FOOD AND DRINK INTAKE TIMING PRESENTATION METHOD AND FOOD AND DRINK INTAKE TIMING PRESENTATION DEVICE

PROBLEM TO BE SOLVED: To provide a food and drink intake timing presentation method and device for controlling increase/decrease of a body weight without greatly changing kinds or amount of food and drink.SOLUTION: When a ratio of a generation number of intestinal peristaltic sounds per unit time to a maximum number of peristaltic sounds per unit time regarding pre-measured intestinal peristaltic sounds is equal to or higher than a first nutrition intake timing determination value, it is determined to be easy nutrition-absorption timing, or when it is equal to or lower than a second nutrition intake timing determination value, it is determined to be difficult nutrition-absorption timing, and on the basis of the determination result, food and drink intake timing is presented. Or, by obtaining with time the ratio of the generation number of intestinal peristaltic sounds per unit time to the maximum number of peristaltic sounds per unit time and comparing the ratio obtained with time to the first intestine state determination value and the second intestine state determination value, a time zone when the intestines easily or hardly absorb nutrition is determined, and the food and drink intake timing is presented on the basis of the time zone and a time duration until the taken food and drink reach the intestines.