2. On the basic principles of maritime law.

3. On the Function of Bill of Lading

4. On the principle of marine insurance.

5. On the Nature of Letter of Guarantee

6. On the constitutive elements of general average.

7. On the carrier's liability limitation system.

8. Research on shipping agency system.

9. On maritime lien

10 on maritime arbitration

1 1, National Maritime Fraud Research

Law and practice of international ship financing

13, Research on Maritime Lien System

14, Research on Ship Arrest System

15. Delayed delivery of goods by sea

16, bill of lading fraud and its prevention and legal relief

Legal issues in charter party.

18, liability system of maritime carriers

19, Research on Legal Issues of Electronic Bill of Lading