the airplane is now the more ideal transportation vehicle, along with the people living standard enhancement, travels on official business, the traveling, visiting relatives, visits friends and so on the person which rides the airplane to be more and more many. But the medical research believed that, below the person not suitably rides the airplane.

First, communicable disease patient. If the infectious hepatitis, active contagious patient and so on time pulmonary tuberculosis, typhus, in the national stipulation quarantine period, cannot ride the airplane. Chicken pox patient has not convalesced in the harm spot, cannot ride the airplane.

Second, psychopath. If epilepsy and each kind of mental patient, because the aviation atmosphere is easy acutely to induce the disease to manifest suddenly, therefore not suitably rides the airplane.

Third, cardiovascular disease patient. Because the airborne mild oxygen deficit, possibly makes the cardiovascular patient to suffer a relapse or to aggravate the condition, specially heart function not entire, cardic muscle oxygen deficit, myocardial infarction and serious hypertension patient, usually thought not suitably rides the airplane.

Fourth, blood vessel of brain patient. If brain embolism, cerebral hemorrhage, brain tumor this kind of patient, because the airplane take off and landing thunders, the vibration and the oxygen deficit and so on, may make the condition to aggravate, the prohibition rides the airplane.

Fifth, respiratory system disease patient. If patient and so on pulmonary emphysema, heart disease from lung disorders, because does not adapt to circumstances or environment, if has pneumothorax, the lung cannon and so on, the flight is on the way possible because of the expansion of gas to aggravate the condition.

Sixth, has been the stomach and intestines surgery patient, generally in ten days cannot ride the airplane at the surgery. The digestive tract bleeds the patient to have to stop three weeks after the hemorrhage being able to ride the airplane.

Seventh, serious anemia patient. The hemoglobin quantity level below 50 grams/litres, not suitably rides the airplane.

Eighth, ear nose disease patient. The ear nose has the acute seeping out inflammation, and the near future has been the middle ear surgery patient, not suitable airborne travel.

Ninth, approaches the childbirth time pregnant woman. As a result of the airborne barometric pressure change, possibly sends the embryo to shift to an earlier time the childbirth, the pregnancy 35 week after pregnant woman, not suitably rides the airplane in particular.