There is no charge for the first and second floors, 8% for the third floor, 20% for the fourth floor, 3 1% for the fifth floor and 4 1% for the sixth floor. The elevator is installed at the head of the old residential area with heavy buildings, and the sharing ratio is: free on the first floor and the second floor, 8% on the third floor, 20% on the fourth floor, 3 1% on the fifth floor and 4 1% on the sixth floor. Among them, the minimum living guarantee families who meet the application conditions for installing elevators in existing houses and contribute capital will be given financial subsidies according to 80% of the capital contribution for installing elevators, and the subsidy funds will be borne by the municipal and district finances respectively, and each district will bear it according to the proportion stipulated in the new round of financial system.