Does the labor law stipulate that the rent increase should not exceed how much?

The labor law does not stipulate, and the law does not stipulate that the rent increase cannot exceed how much. It is only required that the rent shall not be increased unilaterally during the contract period, as follows:

Measures for the administration of commercial housing lease

Article 9 The lessor shall perform the obligations of house maintenance in accordance with the contract and ensure the safety of the house and indoor facilities. If the damaged house is not repaired in time, which affects the normal use of the lessee, it shall be liable for compensation or reduce the rent in accordance with the agreement. During the term of the house lease contract, the lessor shall not unilaterally raise the rent level at will.

Extended data:

Matters required by law to be specified in the lease contract:

Measures for the administration of commercial housing lease

Article 7 The parties to a house lease shall conclude a lease contract according to law. The contents of the house lease contract shall be agreed by both parties, and generally include the following contents:

(a) the name and domicile of the parties to the house lease;

(2) Location, area, structure, ancillary facilities, furniture, household appliances and other indoor facilities;

(3) The amount and payment method of rent and deposit;

(four) the purpose and use requirements of the leased house;

(five) the safety performance of houses and indoor facilities;

(6) Term of lease;

(seven) housing maintenance responsibility;

(eight) payment of property services, water, electricity, gas and other related expenses;

(nine) dispute resolution and liability for breach of contract;

(10) Other agreements.

The parties to a house lease shall stipulate in the house lease contract the measures to be taken when the house is expropriated or demolished.

The construction (real estate) management department may, jointly with the administrative department for industry and commerce, formulate a model text of the house lease contract for the parties to choose.