For the adjustment of catering railway, the preparatory work in the early stage is very important. The Ministry of Railways, railway bureaus and stations attach great importance to this work, and a lot of preparatory work is needed before each implementation of the new operation chart. For large stations, the preparatory work that must be done is to participate in the map adjustment work meeting organized by the railway bureau, and coordinate and solve the technical problems encountered in the adjustment process of the new operation chart at the meeting, followed by the determination of the new operation chart, the implementation of the new operation chart, and so on.

In addition, some preparations should be made for the food supplement during the adjustment period to prevent the inconvenience caused by the rectification.