Legal analysis: The law stipulates that when citizens apply to receive, renew, or replace their resident identity cards, they must register their fingerprint information. Usually, among the ten fingers, the thumb and index finger of the right hand are relatively more important and are not easy to be missing. Therefore, it is recommended that you use your right thumb or index finger when fingerprinting the contract. Of course, the other fingers are the same and have the same legal effect.

Legal basis: "Resident Identity Card Law of the People's Republic of China" Article 3 The items registered in the resident ID card include: name, gender, ethnicity, date of birth, permanent residence address, citizenship status Number, personal photo, fingerprint information, validity period of the certificate and the issuing authority.

The citizen identity number is a unique and lifelong identity code for each citizen. It is compiled by the public security organs in accordance with the national standards for citizen identity numbers.

Citizens who apply to receive, renew or replace their resident identity cards must register their fingerprint information.