When collecting consumer financial information, we should adhere to the principles of legality, justice and necessity.

Legal analysis:

The legitimate rights of consumers mainly include: the right to safety, the right to know, the right to choose independently, the right to fair trade, the right to claim compensation, the right to association, the right to education, the right to respect personal dignity and the right to supervision. China's Consumer Protection Law protects the legitimate rights and interests of consumers, and no organization or individual may infringe upon the legitimate rights and interests of consumers.

Legal basis:

Article 41 of the Network Security Law, when collecting and using personal information, network operators shall follow the principles of legality, justness and necessity, make public the rules of collection and use, clearly state the purpose, manner and scope of collection and use of information, and obtain the consent of the person being collected. Network operators shall not collect personal information irrelevant to the services they provide, and shall not collect and use personal information in violation of the provisions of laws and administrative regulations and the agreement between the two parties, and shall handle the personal information they save in accordance with the provisions of laws and administrative regulations and the agreement with users.