1. Report the contracting opportunities or obligations of the media in the reporting intermediary, and the intermediary shall report the contracting matters to the client according to its knowledge. In media intermediation, the intermediary shall truthfully report matters related to the contract to all parties. Reporting the contracting opportunity to the entrusting party or providing the contracting medium is the main obligation of the intermediary in the intermediary contract. 2. The obligation of loyalty and best efforts to be faithful to the interests of the parties means that the broker shall truthfully report to the client the matters related to the conclusion of the contract. The duty of loyalty of brokers specifically includes: First, brokers should truthfully inform clients about the conclusion of contracts or the business information they know. 3. Obligation of anonymity and confidentiality In media intermediation, if one or both parties appoint an intermediary not to tell the other party his name or business name, the intermediary has the obligation not to tell the other party his name or business name, which is the obligation of anonymity. This kind of intermediary is also called anonymous intermediary or anonymous media. 4. Intermediary obligation The intermediary obligation of the intermediary refers to the obligation of the intermediary to perform the responsibility instead of the anonymous party as an assistant under certain circumstances, and the intermediary accepts the payment made by the other party. The intermediary's intervention obligation is consistent with the intermediary's anonymity obligation, so as to ensure the ultimate realization of the anonymous party's purpose of keeping the transaction secret. 5. Other compulsory intermediaries shall abide by laws, regulations and national policies, follow business practices and trading habits, and shall not engage in illegal intermediary activities; In principle, the intermediary shall not be the intermediary of the principal and the counterpart at the same time.