Students study in railway companies for two years, and then train in cooperative enterprises for one year. 2+ 1 directional training of railway bureau means that students study in railway companies for two years and then train in cooperative enterprises for one year. Directional training means that the talent training mode of their work unit after graduation is clearly defined by contract when they enter school, and the training expenses during their study period are provided by the state to the training unit according to the prescribed standards.