Legal analysis: the government gives 200,000 yuan/set subsidy for installing elevators in existing houses on four or more floors of state-owned land in urban areas; The expenses involved in pipeline relocation need not be borne by the owner, of which the municipal finance gives a financial subsidy of 50,000 yuan/set.

Legal basis: Notice on Further Giving Full Play to the Supporting Role of Residential Special Maintenance Funds in the Renovation of Old Residential Areas and Elevator Renovation. The transformation of old residential areas is conducive to improving the living environment, improving people's quality of life, and promoting the organic renewal and sustainable development of the city. It is a livelihood project that benefits the people. The renewal of old elevators is conducive to facilitating the travel of owners and residents, eliminating hidden dangers in elevator operation and ensuring the safety of people's lives and property. Increasing the investment in maintenance funds is an important way to establish a multi-party financing mechanism for the renovation of old residential quarters and elevators, which is conducive to making the best use of things, improving the efficiency of the use of maintenance funds, and giving full play to the positive role of maintenance funds in ensuring the maintenance, renovation and renewal of residential buildings and facilities.