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