1. Railway major belongs to science and engineering, and physics is essential. Some universities require the re-examination subject to be chemistry. Candidates want to fill in the railway major of the university, so the high school subjects selected by candidates in the new college entrance examination area must meet the requirements of professional selection. Therefore, if candidates want to apply, they must choose physics and chemistry, so that they can apply for the railway major.

2. Employment direction of railway specialty. Passenger service direction: this major mainly focuses on railway crew, security inspection and ticketing. It is a service-oriented direction with high image requirements and requires strong communication skills; Direction of railway power supply: This major belongs to the pure technical direction, and it needs strong professionalism, strong perseverance and learning ability in the learning process. The employment in this direction is dominated by boys, with relatively good employment and stable work; Direction of engineering investigation: This direction does not belong to the railway department. Generally, railway construction units set up posts in this direction, mainly focusing on the development and construction of railway projects. It is an industry with high technical requirements, high salary and stable work, and often works in other places.