Disclosed are an apparatus and a method for providing an interaction service for children, which give a real-time alarm related to notification details about a child, who goes to a children's educational institution such as a kindergarten or a child-care center, to a teacher and a parent and thereby enable the teacher and the parent to share information and comprehensively take care of the child, and a system using the same. When the teacher enters and transmits a notification message after the teacher uses a terminal to tag an NFC card which a child carries, an interaction service providing apparatus receives the notification message, attaches a connection address of each social commerce site associated with a particular word of the notification message to a partial area of the notification message, and transmits the notification message to which the connection address is attached, to the parent.