Taiwan high speed rail operate the transport service in the 96th year of the Republic of China . It affect the habit of customer , it also change the business region in the western of Taiwan. The public transit business was high competition , So the Taiwan high speed rail authority should keep the good service quality ,and earn the respect and affection of the customer. The result of study ?(1)The service quality of the high rail has positive correlation for the consuming intention. (2) The satisfaction of passengers shows positive correlation for the consuming intention. (3)The different demographic statistics has dominant differences in customer satisfaction. (4) The different demographic statistics has dominant differences in consuming intention.