The establishment standard of intermediary contract and fee intermediary contract is whether the intermediary has facilitated the parties to conclude the contract. If the two parties to the contract reach a cooperation agreement due to the intermediary role of the intermediary, then the intermediary contract is established.
According to Article 424 of China's Contract Law, an intermediary contract is a contract in which the intermediary reports the opportunity to conclude a contract to the client or provides media services for concluding a contract, and the client pays the remuneration. At the same time, a contract legally established in accordance with the provisions of Article 8 of this Law is legally binding on the parties. The parties shall perform their obligations as agreed, and shall not alter or terminate the contract without authorization. Contracts established according to law are protected by law. Therefore, the intermediary agreement is protected by law. There is no uniform standard for agency fees in law, and all departments or governments have their own standards for agency fees. For example, regarding the housing agency, the Beijing Municipal Commission of Housing and Urban-Rural Development has issued corresponding policies and clarified the relevant charging standards.