英国政府说，你如果要出机场就要申请短期Visa，还要印手印。。。

Visa to pass through the UK in transit

Apply for this visa if you need to pass through the UK on your way to another country.

How long you can stay and how much the visa costs depends on if you leave the airport and pass through UK border control.

If you leave the airport

Can work	Can study	How long you can stay	Cost
No	No	48 hours	£64

If you don’t leave the airport

Can work	Can study	How long you can stay	Cost
No	No	24 hours	£35   Overview You might need a visa to pass through the UK in transit (on your way to another country). Check if you need one before you apply. To get a transit visa you must prove that: you’ll be in transit to another country, with enough funds and the intention to travel on you can enter that country the only purpose of your visit to the UK is transit You don’t need a transit visa if you: are from the European Economic area (EEA) or Switzerland have an EEA family permit have a Home Office travel document, for example you’re a refugee or stateless person have a Standard Visitor visa have a Marriage Visitor visa Not leaving the airport Apply for a Direct Airside Transit visa (DATV) if you’ll be changing flights in the UK and won’t be going through UK border control. DATVs last for up to 24 hours. Leaving the airport Apply for a Visitor in Transit visa if you’ll be going through UK border control but leaving the UK within 48 hours. You’ll need to apply for a Standard Visitor visa if: you need to stay longer in the UK you can prove you need to frequently pass through the UK over a longer period Fees Direct Airside Transit visa (DATV) - £35 Visitor in Transit visa - £64