Legal analysis: the housing maintenance fund is earmarked only for housing maintenance and can only be withdrawn during the maintenance period. Housing maintenance fund actually includes housing public facilities special fund and housing maintenance fund. Housing maintenance funds are generally paid in a certain proportion when buying a house. If it runs out, it will be renewed in time.

Legal basis: Article 17 of the Measures for the Administration of Residential Special Maintenance Funds. If the balance of residential special maintenance funds in the owner's account is less than 30% of the first deposit amount, it shall be renewed in time. If the owners' meeting is established, the renewal plan shall be decided by the owners' meeting. If the owners' meeting is not established, the specific management measures for renewal shall be formulated by the construction (real estate) department of the people's government of the municipality directly under the central government, the city and the county jointly with the finance department at the same level.