Generally, good shops have the practice of increasing. It is common that the annual increase of 5% to 8% is reasonable, so that the rental income can be reflected together with the time value of funds, and the increasing ratio is higher for houses in special locations. The specific operation method of increment is to specify it in the contract and write the proportion and actual amount into the contract. Legal basis: Article 721 of the Civil Code of the People's Republic of China, the lessee shall pay the rent within the agreed time limit. There is no agreement or unclear agreement on the time limit for paying the rent, and if the lease term is less than one year, it shall be paid at the expiration of the lease term; If the lease term is more than one year, it shall be paid at the expiration of each year, and if the remaining term is less than one year, it shall be paid at the expiration of the lease term.