Legal analysis: it is illegal to brush the pos machine immediately, which may be suspected of malicious overdraft of credit cards. Legal basis: Article 196 of the Criminal Law of People's Republic of China (PRC) commits the crime of credit card fraud under any of the following circumstances. If the amount is relatively large, he shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 20,000 yuan but not more than 200,000 yuan; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than five years but not more than ten years, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan; If the amount is especially huge or there are other particularly serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan, or his property shall be confiscated: (1) using a forged credit card or using a credit card fraudulently obtained by using another person's identity document; (2) Using an invalid credit card; 3. Fraudulent use of other people's credit cards; 4 malicious overdraft. The term "malicious overdraft" as mentioned in the preceding paragraph refers to the behavior of the cardholder who overdraws beyond the prescribed limit or time limit for the purpose of illegal possession and refuses to return it after being urged by the issuing bank. Whoever steals a credit card and uses it shall be convicted and punished in accordance with the provisions of Article 264 of this Law. Interpretation of the Supreme People's Court and the Supreme People's Procuratorate on Several Issues Concerning the Application of Laws in Handling Criminal Cases of Theft Article 1 Whoever steals public or private property in an amount of more than 1,000 yuan, more than 30,000 yuan, more than 100,000 yuan, more than 300,000 yuan and more than 500,000 yuan shall be deemed as "a large amount", "a huge amount" and "a particularly huge amount" as stipulated in Article 264 of the Criminal Law respectively. The higher people's courts and people's procuratorates of all provinces, autonomous regions and municipalities directly under the Central Government may, according to the local economic development and social security situation, determine the specific amount standards to be implemented in their respective regions within the scope of the amount specified in the preceding paragraph and report them to the Supreme People's Court and the Supreme People's Procuratorate for approval. If theft is carried out on public transport running across regions, and it is impossible to find out the location of the theft, it shall be determined that the amount of theft reaches "a large amount" or "a huge amount" according to the relevant amount standards determined by the higher people's courts and people's procuratorates of the provinces, autonomous regions and municipalities directly under the Central Government where the case is accepted. Stealing contraband such as drugs should be treated as theft and punished according to the seriousness of the case.