Housing maintenance fund refers to the funds paid by the owners for the maintenance of public facilities in residential areas or buildings, and its collection method is determined by the owners' committee of residential areas or property management companies according to relevant laws and regulations.

Common housing maintenance fund expenses include:

1. Charge according to the proportion of building area: according to the proportion of building area of each owner, determine the amount of maintenance fund that each owner should pay.

2. Xing Tao charges: According to the Xing Tao and apartment type of the house, determine the amount of maintenance fund that each owner should pay.

3. Charge per head: The amount of maintenance fund is determined according to the population of each household.

4. Charge according to the property valuation: the amount of the maintenance fund is determined according to the property valuation of each owner.

No matter which way is adopted, the collection of housing maintenance funds should follow the principles of transparency and fairness, and be supervised and managed by relevant management agencies. At the same time, the owners also have the right to understand and supervise the use of housing maintenance funds, ensure that the funds are used for the maintenance and repair of public facilities, and maintain the environment and quality of life of the community.

Please note that the above is only a general way to collect housing maintenance funds, and the specific collection standards and methods may be different due to factors such as regional and residential management regulations. It is suggested that you follow the relevant local laws and regulations in actual operation and further communicate and negotiate with the community owners' committee or the property management company.