The three major conditions for being arrested in criminal cases for credit card fraud are: 1. There is evidence to prove the facts of the crime. These are the evidentiary conditions, factual conditions and prerequisites for arrest. 2. Possibility of being sentenced to a sentence of imprisonment or above. This is the sentencing condition, guilt condition, or legal condition for arrest. 3. The measures such as bail pending trial and residential surveillance are not enough to prevent the person from becoming a social danger, but arrest is necessary. Legal Basis: Article 79 of the Criminal Procedure Law of the People’s Republic of China shall arrest criminal suspects or defendants who have evidence to prove the facts of the crime and may be sentenced to a sentence of imprisonment or above, and if bail pending trial is not sufficient to prevent the occurrence of the following social dangers: (1) It is possible to commit new crimes; (2) There is a real danger of endangering national security, public safety or social order; (3) It is possible to destroy or falsify evidence, interfere with witnesses' testimony or collude with confessions; (4) ) may retaliate against the victim, whistleblower, or accuser; (5) attempt to commit suicide or escape. If there is evidence to prove that there are criminal facts, which may lead to a penalty of ten years or more in prison, or if there is evidence to prove that there are criminal facts, which may lead to a penalty of more than 10 years in prison, or if there is any intentional crime or the identity is unknown, he shall be arrested.