If you are asked to apply for a credit card and use the interface that passes the preliminary review as a part-time job to earn income, applying for only one or two credit cards will not have a big impact, but if you want to apply for credit cards frequently to earn part-time income , which will have a negative impact on your personal credit report, because every time you apply for a credit card, a "credit card approval" record will be displayed on your credit report. Repeated inquiries will make the bank think that you are in urgent need of funds, which will lower your limit later. Or they may not approve a credit card for you, and the new version of the People’s Bank of China credit report will retain such inquiry records for 5 years, so please be careful