If it's a credit union, it's not a scam. Credit cooperatives take ID cards to get meals, which is a promotion method for banks to boost their performance, and the problem is not big. Rural credit cooperatives are independent enterprise legal persons, which are responsible for the debts of rural credit cooperatives with all their assets and enjoy civil rights according to law. Its property, legitimate rights and interests and business activities carried out according to law are protected by state laws. Disclosing your ID number and mobile phone number at will will easily lead to the disclosure of important personal information and financial fraud, so even if this activity is true, it will not be worth the loss compared with the possible losses. After all, many people's Alipay and WeChat are related to these two pieces of information.