· Patients with heart disease and in a very serious or critical condition, such as severe heart failure; persons with cyanosis or myocardial infarctions (occurring within six weeks prior to travel);
· Women with a gestation period over 36 weeks (If a woman is pregnant for 32-36 weeks, she need to see the doctor within 72 hours before taking the flight and obtain a hospital issued Diagnosis Certificate with hospital stamp and doctor signature.);
· Patients with large mediastinal tumor, extra large hernia or intestinal obstruction; patients with head injury, increased intracranial pressure or skull fractures; patients having fracture of jawbone recently with metal wire connected;
· 酒精或其他毒品中毒者;患有精神病;易于伤人或自伤行为者。
·Patients intoxicated by alcohol or other drugs, suffering from psychosis and prone to hurting others or self-injury;
· 近期进行过外科手术,伤口未完全愈合者和产妇产后不满7天者。
· Those receiving surgery recently, with unhealed wounds or within seven days after childbirth;
· Patients with any of the following infectious diseases or stubborn diseases: cholera, typhoid fever, paratyphoid fever, typhus, dysentery, smallpox, scarlet fever, diphtheria, plague, epidemic encephalitis, meningitis, open tuberculosis and other infectious diseases;
· 带有传染性或损伤,使其他旅客感到厌恶的皮肤病患者。
· Dermatological patients with infectivity or injury and disgusting to other passengers;
· 带有严重咯血、吐血、呕吐症状的患者。
· Patients with severe hemoptysis, hematemesis or vomiting.