PROBLEM TO BE SOLVED: To provide a system in which management of eating between meal is considered seriously, when improving a life habit for reducing one's weight.SOLUTION: A system 1 for managing eating between meal comprises: an eating between meal information acquisition unit 31 for acquiring eating between meal information which a user desires; a target calory calculation unit 35 for acquiring calory information corresponding to the eating between meal information, and calculating a target calory which a user should burn off on the basis of the eating between meal information and the calory information; a detection unit 20 for detecting activity information of the user; an activity calory calculation unit 37 for calculating an activity calory on the basis of an activity which satisfies a prescribed condition, out of pieces of the activity information; a balance calory calculation unit 39 for calculating a balance calory which is a difference between the activity calory and the target calory; a notification information generation unit 41 for generating notification information containing the target calory, the activity calory and the balance calory; and a notification unit 14 for notifying the user of the notification information.SELECTED DRAWING: Figure 2【課題】減量目的で生活習慣を改善する場合に、間食に係わる管理が重視されたシステムを提供すること。【解決手段】ユーザーが所望する間食情報を取得する間食情報取得部31と、間食情報に対応するカロリー情報を取得し、間食情報およびカロリー情報に基づいてユーザーが消費すべき目標カロリーを算出する目標カロリー算出部35と、ユーザーの活動情報を検出する検出部20と、活動情報のうち所定条件を満たす活動に基づいて活動カロリーを算出する活動カロリー算出部37と、活動カロリーと目標カロリーとの差分である収支カロリーとを算出する収支カロリー算出部39と、目標カロリーと活動カロリーと収支カロリーとを含む報知情報を生成する報知情報生成部41と、報知情報をユーザーに報知する報知部14と、を備える間食管理システム1を提供する。【選択図】図2