Nowadays, global tourism industry is experiencing decline stage or decline life cycle stage due to COVID19 human hung disease occurs. It brings many travelers begin to feel fear to catch air planes because any one passenger may be gotten this kind of new disease when one or more than one passenger who had owned this kind of new lung disease and he/she is or they are sitting in the air plane. So, many travelers believed that when one owned COVID 19 lung disease passenger is catching in any one air plane, it will have high chance that they will be contacted to give this kind of disease easily by the air in the closed windows airplane. Due to this reason, this kind of new disease had influenced global many travelers felt fear to catch air planes to go to different countries to travel in these two years, even future. However, whether COVID 19 disease is the main factor to influence global tourism industry decline and oil price changes. I shall explain why disease and oil price and airport service and traveler past travel experience may influence traveler individual touism destination choice.