Property law, contract law, intellectual property law. Civil and commercial law is the sum total of legal norms to adjust the property relations and personal relations between citizens and legal persons as equal subjects and between citizens and legal persons. Civil and commercial law can be divided into civil law and commercial law. On the basis of the basic principles of civil law, commercial law is gradually developed to meet the needs of modern commercial activities, mainly including legal norms of companies, bankruptcy, securities, futures, insurance, bills, maritime business and so on.