Does the property security guard have the right to knock at the door in the middle of the night?

Legal analysis: it needs to be discussed in different situations. If it is reasonable for legitimate purposes such as maintaining order, it is unreasonable.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 946 If the owner decides to dismiss the realty service provider according to legal procedures, he may terminate the realty service contract. If it decides to dismiss, it shall notify the property service provider in writing 60 days in advance, unless the notice period is otherwise stipulated in the contract. If the termination of the contract in accordance with the provisions of the preceding paragraph causes losses to the property service provider, the owner shall compensate for the losses, except for reasons not attributable to the owner.

Article 272 The owner has the right to possess, use, profit from and dispose of the exclusive part of his building. The owner's exercise of rights shall not endanger the safety of the building or damage the legitimate rights and interests of other owners.