Legal analysis: the maintenance fund refers to the fund established after the sale of commercial housing and public housing, which is used for overhaul, renewal and transformation of residential parts and facilities after the warranty period expires. The full name of the house maintenance fund is * * * used parts and * * * used facilities and equipment maintenance fund, which is specially used for the maintenance and update of * * * used parts and facilities and equipment such as roofs and elevators after the warranty period expires.

Legal basis: Article 281 of the Civil Law of People's Republic of China (PRC), the maintenance fund of the building and its ancillary facilities belongs to the owner. With the consent of the owner, it can be used for local maintenance, renewal and transformation of elevators, roofs, external walls and barrier-free facilities. The collection and use of maintenance funds for buildings and their ancillary facilities shall be announced regularly. In case of emergency, if the building and its ancillary facilities need to be repaired, the owners' assembly or the owners' committee may apply for the maintenance funds of the building and its ancillary facilities according to law.