There is a problem with the toilet in the rented room, it can t be flushed after going to the toilet

Some. Law of the People's Republic of China on the Protection of Consumer Rights and Interests

Chapter II: Consumers' Rights.

Article 8: [Right to Know the Truth] Consumers enjoy the right to know the truth about the goods they purchase or use or the services they receive.

Consumers have the right to request business operators to provide the price, place of origin, producer, use, performance, specification, grade, main ingredients, production date, expiration date, inspection certificate, instruction manual, after-sales service, or the content, specification, cost and other relevant information of the goods or services.

Article 9: [Right to Make Choice] Consumers enjoy the right to choose goods or services independently.

Consumers have the right to independently choose the business operators that provide goods or services, to choose the types of goods or services, to decide whether to buy or not to buy any kind of goods, and to accept or not to accept any kind of services.

Consumers have the right to compare, identify and select goods or services when they choose goods or services independently.

Article 10 [Right to Fair Trade] Consumers enjoy the right to fair trade.

When purchasing goods or receiving services, consumers have the right to obtain fair trading conditions such as quality assurance, reasonable prices, and correct measurements, and have the right to refuse the forced trading behavior of business operators.

The statutory termination of the housing lease contract refers to the right of one of the parties to exercise the right of rescission to terminate the contract and terminate the rights and obligations of the contract in accordance with the law when a circumstance prescribed by law occurs. According to Article 94 of the Contract Law of the People's Republic of China, the parties may terminate the contract under any of the following circumstances: (1) the purpose of the contract cannot be realized due to force majeure; (2) Before the expiration of the performance period, one of the parties clearly expresses or shows by its own conduct that it will not perform the main obligation; (3) One of the parties delays the performance of the main debt and fails to perform it within a reasonable period of time after being reminded; (4) One of the parties delays the performance of its obligations or has other breaches of contract, resulting in the inability to achieve the purpose of the contract; (5) Other circumstances provided for by law.

The premise is that you have signed the contract?

You don't have any agreement on this, and the law can't protect it. It's better to negotiate.