As the backbone of the transportation system,the high speed railway has an important influence on the development of a city.In this paper,the current development status of China＇s high speed railway is analyzed,the industry＇s gross output and the number of legal representatives related to the high speed railway at Hefei are chosen for a fitting analysis by using of the matlab software.The result is that the growth rate of the gross output on the second industry and the real estate and tourism in the tertiary industry increase obviously,as well as the number of legal representatives in relevant industries after the completion of the high speed railway.All of these illustrate the high speed railway has an optimization effect on the industrial development of the city along the railway,and has a great significance for China＇s long-term economic and social development.