Useful. According to the "Regulations of the Supreme People's Procuratorate and the Ministry of Public Security on the Standards for Filing and Prosecution of Criminal Cases under the Jurisdiction of Public Security Organs (II)", if the amount of credit card defrauded reaches more than 5,000 yuan, it is suspected of credit card fraud and can be reported to the police. Forged credit cards are used. , or use a credit card fraudulently obtained with false identification, or use an invalid credit card, or falsely use another person's credit card to conduct fraudulent activities, and the amount is more than 5,000 yuan, a case should be filed for credit card fraud, so calling the police is useful. A credit card, also called a credit card, is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. It takes the form of a card with the name of the issuing bank, validity period, number, cardholder name and other contents printed on the front, and a magnetic stripe and signature strip on the back.