Legal analysis: contract transfer: 1, must be based on the existence of legal and effective contractual relationship. 2, must comply with the transfer procedures prescribed by law, need to be notified according to law; If the consent of the other party is needed, it should be obtained first. 3. It must be in the public interest, and the transferred content should be legal.

Legal basis: Article 79 of the Civil Code of People's Republic of China (PRC).

The creditor may assign all or part of the rights of this contract to a third party, except in any of the following circumstances: (1) It may not be assigned according to the nature of the contract; (two) according to the agreement of the parties shall not be transferred; (3) It shall not be transferred according to law.