According to Article 111th of People's Republic of China (PRC) Contract Law:
If the quality does not conform to the agreement, it shall bear the liability for breach of contract in accordance with the agreement of the parties. If the liability for breach of contract is not stipulated or clearly stipulated and cannot be determined according to the provisions of Article 61 of this Law, the injured party may reasonably choose to require the other party to bear the liability for breach of contract such as repair, replacement, rework, return, price reduction or remuneration according to the nature of the subject matter and the size of the loss.
Article 112 If one party fails to perform its contractual obligations or fails to comply with the contract, and after performing its obligations or taking remedial measures, the other party has other losses, it shall compensate for the losses.
You can also bring a civil lawsuit to the people's court on the grounds that the quality of the house provided is unqualified, and ask the other party to bear the liability for breach of contract.
If it is proved that the formaldehyde in the lessor's house exceeds the standard, which endangers the lessee's health, and the leased property endangers the lessee's safety or health, the lessee may terminate the contract at any time.
Extended data:
Contract law of the people's Republic of China
Article 42
In the process of concluding a contract, if any of the following circumstances causes losses to the other party, the parties shall be liable for damages:
(1) Concluding a contract under the guise of malicious negotiation;
(2) Deliberately concealing important facts related to the conclusion of a contract or providing false information;
(three) there are other acts that violate the principle of good faith.
Article 128
The parties may settle contract disputes through conciliation or mediation.
If the parties are unwilling to settle or mediate, or the settlement or mediation fails, they may apply to an arbitration institution for arbitration according to the arbitration agreement. The parties to a foreign-related contract may apply for arbitration to an arbitration institution in China or other arbitration institutions according to the arbitration agreement. If the parties have not concluded an arbitration agreement or the arbitration agreement is invalid, they may bring a suit in a people's court. The parties shall perform legally effective judgments, arbitral awards and conciliation statements; Refuses to execute, the other party may request the people's court for execution.
Article 233
If the lease item endangers the safety or health of the lessee, the lessee may terminate the contract at any time, even if the lessee knows that the quality of the lease item is unqualified when concluding the contract.
References:
Baidu Encyclopedia-People's Republic of China (PRC) Contract Law