Legal basis: Article 7 of the Law of People's Republic of China (PRC) on Exit and Entry Administration has been approved by the State Council, and the Ministry of Public Security and the Ministry of Foreign Affairs can make provisions on keeping biometric information such as fingerprints of entry and exit personnel according to the needs of exit and entry administration. If foreign governments have special regulations on visa issuance and entry and exit management for China citizens, the China government can take corresponding reciprocal measures according to the situation.