1, no more than one year. The Supreme People's Court issued relevant legal interpretations, stipulating that the longest period for people's courts to freeze bank cards should not exceed 12 months; The maximum time limit for sealing up or detaining the movable property of the person subjected to execution shall not exceed two years; The time limit for sealing up the real estate of the person subjected to execution shall not exceed three years.

2. Legal basis: Article 487 of the Civil Procedure Law of People's Republic of China (PRC).

The people's court shall not freeze the bank deposits of the person subjected to execution for more than one year, seal up or detain movable property for more than two years, seal up immovable property for more than three years, and freeze other property rights for more than three years. If the person subjected to execution applies for an extension of the time limit, the people's court shall go through the formalities of sealing up, distraining and freezing before the expiration of the time limit for sealing up, distraining and freezing, and the extension period shall not exceed the time limit specified in the preceding paragraph.

2. What are the conditions for the court to freeze bank cards?

1. Pre-litigation preservation or litigation preservation. Due to the plaintiff's application and guarantee, the court froze the defendant's deposit or account. The first freezing period is 6 months, followed by 3 months;

2. The application executor applies for the execution of the defendant with valid legal documents, and the identity of the defendant is the person to be executed. After the court inquires about the account of the person subjected to execution, it can freeze the deposit or account of the person subjected to execution, or even directly deduct it from the account of the court to pay the application executor. As the account owner, if the court freeze is illegal, it can reconsider the preservation freeze, and the freeze in execution can raise objections from outsiders or execution;

3. Bank cards cannot be frozen by the judiciary at will, let alone unfrozen at will. If you want to unfreeze my bank card as soon as possible, you should fulfill your obligations. If I fail to fulfill my repayment obligations, the creditor applies to the court for compulsory execution, and after the court's compulsory execution, the bank card will be unfrozen.