From Asia to mainland Europe, HSR is more competitive in terms of fares and time than aircraft on the same journey. People do not have to be fatigued by going to the airport and the high-speed trains also have environmental advantages. They do not need to burn aviation fuel. Academic papers published in the advanced transportation journal (JAT) point out that if the journey is within 1000 km, the high-speed rail as a whole is in competition with the aircraft. However, if the journey exceeds 1,000 kilometers, the public may give priority to flying to save time. However, with the ever-changing technology, the future may change the boundary between the two. China is the country with the strongest growth momentum in high-speed rail in the world. China has the world's largest high-speed rail system and the fastest high-speed railway. Beijing to Shanghai is one of the busiest traffic routes in the world. The two cities are 1,247 kilometers away. Now the speed of Fuxin train on the Beijing-Shanghai high-speed rail line has risen to 351 kilometers per hour and the traveling time has been reduced to about four and a half hours. In 2015, the number of Chinese people using various types of trains was 910 million, more than double the number of people on board. Now if anyone who says the future of high-speed rail technology is in China, it will not be surprising. Japan's high-speed rail Shinkansen trains travel 320 km / h, and it needs two and a half hours from Tokyo to Osaka, while it takes only 70 minutes by plane for the same distance. However, complicated procedures such as security screening may make passengers consider HSR and aircraft choice again. European high-speed rail "Eurostar" links cities such as London, Paris and Brussels last year, up to 10 million passengers, the fourth ride to this threshold.