Apartment buildings are not allowed to tear down their own doors. The doors of apartment buildings are maintained and maintained by management agencies such as property management companies or industry committees. If you need to modify or remove the door when you live in an apartment, you need to get the consent of the property management company or relevant management agencies and abide by the relevant regulations. At the same time, according to the Law on the Protection of Consumers' Rights and Interests, the Regulations on Property Services and other laws and regulations, property companies and management agencies are obliged to provide owners with safe, convenient and stable living environment and services. Therefore, if your behavior affects the living order of other owners or public safety, you should bear corresponding legal responsibilities.