Loan portfolios occupies an important position within the balance sheet of commercial banks, considering that the efforts and decisions of management aim primarily at building a good loan portfolios, that achieve high returns for banks at the lowest levels of risks. The research aims to assess the extent of compliance to the theoretical, scientific and practical principles in the composition of loan portfolios of the public and private commercial banks in the Syrian Coast: the principle of diversification; principle of relevance ;the criteria for granting credit; and Advanced Capital Adequacy Framework– Basel II. The research aims to draw important conclusions and recommendations to help Syrian commercial banks(public and private) in reducing credit risk.