The construction sector in Syria - especially in the field of building – is characterized by the domination of traditional methods on building systems, and thus this system is often unable to achieve the requirements and objectives of the construction. Advanced construction sector towards the basis of the construction industry requires the use of developed technology and administrative systems compatible and in harmony with the architectural and constructional and technical building so that they can get the product within modern sophisticated standards. The research aim is to evaluate the Syrian experience in building construction, and compare it with the concepts and characteristics of the industrialized building system (IBS) and determine the position of the Syrian experience regarding these concepts, as well as evaluating the factors affecting the industry. Through the evaluation , we have calculated the degree of IBS for various patterns of the executive solutions used for buildings in Syria , cast in-situ with reinforcement walls has got 13.1%.