12306 student tickets are 50% off for hard sleepers. According to the "How to Calculate the Price of Student Tickets" issued by China Railway 12306, student tickets can enjoy the discount of hard seat tickets, expedited tickets and air-conditioned tickets, and the fare of student tickets is calculated according to 50% of the published fare of corresponding tickets and additional tickets. Students with student tickets charge full-price hard sleeper fare when using hard sleeper, and charge half-price air-conditioned car fare when there is air conditioning. Student ticket refers to the preferential treatment that students and graduate students whose household registration and school are not in the same city can enjoy when studying in ordinary colleges, junior colleges (including private colleges with academic qualifications approved by the national education authorities), military academies, primary and secondary schools and technical schools.