The present invention relates to a calorie balance service method. According to the present invention, the calorie balance service method includes: a step of connecting communications with a body composition analyzer by wire or wirelessly a step of receiving measurement information on a user from the body composition analyzer when being input with body information from the user, and displaying a measurement result including muscle mass, a body fat percentage, and a body fat amount by analyzing body composition based on the body information a step of calculating basal metabolism using the weight of the user, body fat percentage, and muscle mass a step of determining the body type of the user as one among the multiple body types which are set, using standard weight corresponding to the height of the user, weight of the user, and body fat percentage in the user mobile phone a step of calculating exercise calories per a day using exercise information of the day, which is input by the user, and of measuring consumed calories of the day in which life calories of the day and the exercise calories of the day are added up by calculating the life calories of the day using daily life pattern information a step of calculating intake calories of the day when a kind of food which the user takes for a day, from the user a step of displaying calorie balance information about the intake calories of the day and the consumed calories of the day, on a screen and a step of displaying exercise prescription and food prescription, corresponding to the basal metabolism of the user, the body type of the user, and the life calories based on the calorie balance information, on the screen. The calorie balance service method enables the user to have positive body change within a short time.본 발명은 체성분분석기와 무선 또는 유선으로 통신 연결한 상태에서 사용자로부터 신체정보를 입력받으면 체성분분석기로부터 사용자에 대한 측정정보를 수신하고 상기 신체정보를 기반으로 체성분분석을 하고 근육량, 체지방률, 체지방량을 포함하는 측정결과를 화면상에 표시하며, 체지방률과 근육량 및 사용자의 체중을 이용하여 기초대사량을 산출하고, 상기 사용자 모바일에서 체지방률과 사용자
