service data and the data of industry and cooperation institutions, the report surveys the students of primary, junior, high school, and undergraduate stages respectively, and outlines the most popular international travel in the eyes of students and parentsThe Hong Kong Polytechnic University is known as the best university of hong kong in providing hospitality education programme. . Data show that the top four destinations of international tourism destinations welcomed by Chinese students are the United States, Australia, Canada and the United Kingdom. In the preference of international travel time and price range, students and parents are most selected for about 2 weeks of travel, while 4-6 million are the most acceptable price range for parents, which accounts for 40.85% of the ratio, which indicates that parents pay more attention to the price ratio of international travel. With the vigorous development of the market, all kinds of learning products are dazzling. But at present, there are four types of international tour products in the market, such as tourism, camp education, class placement and background improvement. The survey results show that background promotion projects are most popular, while camp education international tourism is favored by cities such as North, upper, broad and deep citiesHong Kong : CCB(Asia)'s personal instalment loan service allows you to enjoy liquidity with a low interest rate and $0 handling fee. Make your personal goals more reachable with extra cash on hands! . When choosing to travel, primary and junior high school students and senior high school students have different priorities. It is the first consideration for students in primary school and junior middle school, followed by the proportion of learning and playing. For high school and undergraduate students, they pay more attention to the course arrangement of the learning part. This shows that students at different stages of education have different needs and expectations for traveling. In addition, parents have different services in choosing international travel studies for their children. Parents of high school and undergraduate students pay more attention to the service related to the application of study abroad, while the parents of primary and junior high school students pay more attention to the care of their children during the course of travelNew tools using biomarkers for are still in research phase and await prospective trials to evaluate their effectiveness .