Legal analysis: the contract signed by the rental agent on behalf of the landlord, if the landlord entrusts the housing agent to sign, the contract generally has legal effect. If the intermediary signs privately, it has no legal effect. The most important responsibility of the housing agency is to provide the real situation related to the conclusion of the contract. The services provided by real estate agents include consulting and intermediary services, and signing intermediary contracts. 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.

Legal basis: Article 143 of the Civil Law of People's Republic of China (PRC) is valid for civil juristic acts that meet the following conditions: (1) The actor has corresponding capacity for civil conduct; (2) the meaning is true; (three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs.

Article 161 A civil subject may carry out a civil juristic act through an agent. In accordance with the provisions of the law, the agreement of the parties or the nature of civil legal acts, civil legal acts that should be implemented by themselves shall not be represented.