Legal analysis: it will cause the disclosure of identity information and pose a danger to the safety of its own property. 1, the simplest thing is to apply for mobile phone service, which may be useful not only among acquaintances. Strangers make fake ID cards according to numbers and addresses, put their photos on them, apply for numbers and then maliciously owe money. 2. Bank accounts, securities, etc. But now the second-generation ID card is much better, and most financial institutions are equipped with verification machines. If you risk opening an account and managing business, your credit history may be affected. The most serious are credit cards and loans. In the end, you will find the owner, and you must constantly solve the trouble and prove that you didn't do it yourself. 4. There is also fear of registration changes, such as real estate licenses, car sales, wills and gifts.

Legal basis: People's Republic of China (PRC) Identity Card Law.

Sixteenth one of the following acts, given a warning by the public security organs, and impose a fine of 200 yuan. If there is illegal income, the illegal income shall be confiscated: (1) obtaining a resident identity card by using false certification materials; (2) Renting, lending or transferring a resident identity card; (3) illegally detaining another person's identity card.

Seventeenth one of the following acts, by the public security organs fined two hundred yuan to one thousand yuan, or detained for ten days. If there are illegal gains, the illegal gains shall be confiscated: (1) fraudulently using other people's identity cards or using fraudulent identity cards; (2) buying, selling or using forged or altered identity cards. Forged or altered identity cards and fraudulent identity cards shall be confiscated by public security organs.

Article 18 Whoever forges or alters a resident identity card shall be investigated for criminal responsibility according to law. Whoever commits any of the acts listed in Articles 16 and 17 of this Law and commits criminal activities shall be investigated for criminal responsibility according to law.

Article 19. If the staff of state organs or financial, telecommunications, transportation, education, medical and other units disclose the personal information of citizens recorded in resident ID cards obtained in the course of performing their duties or providing services, which constitutes a crime, criminal responsibility shall be investigated according to law; If the case does not constitute a crime, it shall be detained by the public security organ from 10 to 15 and fined 5000 yuan. If there are illegal gains, the illegal gains shall be confiscated. If a unit commits the acts mentioned in the preceding paragraph, which constitutes a crime, it shall be investigated for criminal responsibility according to law; If it does not constitute a crime, the public security organ shall detain the directly responsible person in charge and other directly responsible personnel for more than 10 and less than 15, and impose a fine of more than100000 yuan and less than 500000 yuan. If there are illegal gains, the illegal gains shall be confiscated. Whoever commits the acts mentioned in the preceding two paragraphs and causes damage to others shall bear civil liability according to law.