Bank cards that can be unfrozen after the investigation of suspected fraudulent accounts will be unfrozen within six months. According to the needs of investigating crimes, public security organs can inquire about and freeze the criminal suspect's deposits, remittances, securities trading settlement funds, futures deposits and other funds, bonds, stocks, fund shares and other valuable securities and equity properties in accordance with regulations, and can ask relevant units and individuals to cooperate. If it is necessary to freeze the suspect's property, it shall be approved by the person in charge of the public security organ at or above the county level, and a notice of assistance in freezing the property shall be made.