Behavioral health problems are common and have a great impact on the patients. Therefore, delivering the services behavioral health within the main care setting improves access for caring produces improved patient outcomes. This study aimed at studying the followed methods to incorporate behavioral health services into primary care programs in order to build a base for any contributions for innovative models and methods to incorporate behavioral health services into primary care programs. In this study the Primary Care Behavioral Health (PCBH), IMPACT model, Three-component model, Reverse integration and Telemedicine models were reviewed.