Legal analysis: according to the relevant laws and regulations of our country, helping others to cash a certain amount of credit cards for free will constitute the crime of illegal business operation.

Legal basis: Criminal Law Amendment (VIII) and Interpretation of Several Issues Concerning the Specific Application of Law in Handling Criminal Cases of Impairment of Credit Card Management. In violation of state regulations, using POS machines and other point-of-sale terminals to directly pay cash to credit card holders by means of fictitious transactions, false pricing and cash return. , the amount is more than 6,543,800 yuan, or the funds of financial institutions are more than 200,000 yuan overdue, or losses are caused.