Preface Nowadays, global travelling entertainment activities are popular. Some travellers like domestic travelling or some travellers like to catch airplanes to go to other countries travel. In consumer behavioral view point, when the consumer discovers the product's price is higher than the another product's price. Then, he/she will usually to choose to buy the cheaper product, such as travel agent travelling entertainment activities arrangement service case, whether the travelling provider charges higher travelling entertainment activities arrangement service fee to compare the another similar travelling entertainment activities arrangement service provider. Does this travelling entertainment activities similar fee comparison factor influence any travellers choose to find the cheaper travelling entertainment activities arrangement provider? If travelling entertainment activities arrangement price is not the main factor to influence traveller individual choice. What other factors can influence traveller individual travelling entertainment activities arrangement choice? What are the unreasonable or unpredicting factors influence global future tourism development? What may space tourism replace global earth tourism in possible? Can COVID 19 influence global tourism encounter recession ?