Legal analysis: the bank will freeze the bank card of the account involved, and the cardholder cannot use the money in the bank card. The account involved is because the bank account involves handling cases or judicial needs. The court sent a letter to the bank asking to lock the account. The bank will freeze the account according to the regulations of the court. After the account involved is frozen, it is recommended to cooperate with the public security investigation. After the investigation, if there are no other problems, the account will be unfrozen.

Legal basis: Article 236 of the Procedures for Handling Criminal Cases by Public Security Organs stipulates that the time limit for freezing deposits, remittances and other property is six months. The period for freezing bonds, stocks, fund shares and other securities is two years. If it is necessary to extend the time limit for special reasons, it shall go through the formalities of continuing the freezing at the public security organ before the expiration of the freezing period. The longest period for freezing assets such as deposits and remittances shall not exceed six months, and the longest period for freezing securities such as bonds, stocks and fund shares shall not exceed two years. If it continues to freeze, it shall go through the freezing procedures again in accordance with the provisions of Article 233 of these Provisions. Failing to go through the freezing procedures within the time limit, it shall be deemed as automatic thawing.