1. China citizens who apply for residence abroad 1 year or more (including visiting relatives, settling down, working, studying abroad, doing business, official business, etc.).
2. China citizens who apply for medical examination in this center according to the medical examination requirements put forward by the other country or organization.
3. Non-Chinese mainland citizens (including foreigners and compatriots from Hong Kong, Macao and Taiwan) who live or study in China shall apply for the International Travel Hygiene Certificate in this center.
4. Employees from China take internationally accepted means of transportation.
The original quarantinable infectious diseases in the world are plague, cholera, smallpox and yellow fever, so you can't go abroad. Patients with heart disease had better not go abroad, especially by plane, which is prone to accidents and life-threatening.