The purpose of this study is to know the impact of credit risk on the share prices by applying in listed Syrian private banks in DSE. It was presented the concept of credit and its importance and types, addition to the concept of credit risk and its causes The study based on sample of 6 Syrian banks in the practical section . And for a period (2010-30/6/2015) included 10 semiannual periods .For analysis simple and multiple regression model was used. The evidence revealed that no relationship between unproductive debt ratio and share prices. and indicated also no relationship between credit losses reserve ratio and share prices. because of the smallness of DSE and weakness of its efficiency, On order to reducing credit risk and improve DSE performance several recommendations have been presented by the end of study.