1. Personal privacy protection: According to relevant laws and regulations, information in personal mobile phones is protected, and others cannot view, use or obtain personal information in mobile phones without authorization. Receiving mobile phones may involve invasion of personal privacy.

2. Data security: A large amount of personal information is stored in the mobile phone, including address book, short message, call record, social account, etc. If bank training requires getting a mobile phone, it may increase the risk of personal information disclosure and violate the principle of personal information protection.

3. Professional ethics and industry norms: As a bank employee, you should abide by professional ethics and industry norms and respect the legitimate rights and interests of customers and personal privacy. Receiving mobile phones may cause distrust of customers and damage the reputation of banks.