If you're a Chinese citizen, you are not allowed to leave China unless you show a Chinese passport with a valid visa for your destination. You can still get ar

If you're a Chinese citizen, you are not allowed to leave China unless you show a Chinese passport with a valid visa for your destination. You can still get around this by going via a third country, but then they can ask for a return ticket from that country etc. The only foolproof way to evade the system and keep citizenship in a 2nd country is to acquire permanent residence in 3rd country!