The purpose of this article was to review the characteristics of Williams Syndrome and its intervention strategy so that experts and parents related to them would be able to have better understanding about children with Willams syndrome and make interventions accordingly. Method: In order to do this, this study was to review of journals and literature from various search sites. Results: The characteristics and intervention strategies were categorized by cognition and academic skill, language, specific characteristic, and maladaptive behaviors. Conclusion: The strengths and weaknesses of Williams Syndrome shall become the significant basic data to design and implement the strategy of interventions. The developmental characteristics from this syndrome shall be comprehended in-depth and direct and indirect influences on environment shall be confirmed, and interventions used the strengths of William Syndrome shall be provided in the services of individually tailored.