Some problems that occurred on child originated from inadequate relationship between parents and child. Insecure attachment that was developed in early years of child’s life can be a root. Theraplay is one treatment that based on attachment theory. It is a playful, engaging, short-term treatment method that is intimate, physical, personal, focused, and fun. It imitates healthy relationship between parents and child and involves parents actively. The objectives of theraplay are enhancing attachment, self-esteem, self-confidence, and fun engagement. There are four dimensions of theraplay: structure, engagement, nurture, and challenge. The steps of theraplay consist of assessment procedure, theraplay sessions, and check-up period. From two clients who were treated by theraplay treatment are found some improvements. Before treatment, the child of the first client always tried to handle her parents. Her mother was also less sensitive to her. After treatment, the child is more cooperative. Her mother also becomes more sensitive. For the parents of the second client, the treatment made them get some insights. They start to understand that their child need to be touched and listened patiently. Before treatment, they always got angry to him all the time and felt annoyed by their child’s behavior.