Legal analysis: the original ID card is photographed and can be loaned online. Try not to show the front and back of your ID card to others. According to relevant laws and regulations, if you need to use the original or photocopy of your ID card, you should use a blue or black pen to mark it and indicate the purpose, so as to prevent personal information from being stolen by others in daily life. The relevant units and their staff members shall also keep confidential the personal information of citizens recorded in the resident identity cards obtained in the course of performing their duties or providing services.

Legal basis: Article 13 of the Law of the People's Republic of China on Resident Identity Cards. Citizens engaged in related activities, need to prove their identity, have the right to use the identity card to prove their identity, the relevant units and their staff shall not refuse. The relevant units and their staff members shall keep confidential the personal information of citizens recorded in the resident identity cards obtained in the course of performing their duties or providing services.