The purpose of this research is to study the factor of Mass Rapid Transit passenger's repurchase intention, and analyze the passenger response of expected value degree and perception satisfaction degree. Afterward, the result of Paired T test show that in the degree of expected value and perception satisfaction exist in difference. The questionnaires were given to consumers in Kaohsiung Mass Rapid Transit. There are 156 effective questionnaires in the sampling. The statistical results show that: (1) the most important of repurchase intention items are "The distance of departure point and destination to station", "Parking easy", "Transfer easy". (2) the most important of expected value degree item is "It is safe in the station and train". (3) the most important of perception satisfaction degree item is "It is safe in the station and train". The result show that: Offer safety service is important for Mass Rapid Transit passenger. The research conclusions suggest the ways to raise repurchase intention: transfer environmental improvement, strengthen securest, promote ticket systen correct degree, preferential cases, throw manpower, strengthen propagate, promote service items.