Self-heated rice can be taken on the train. According to the latest regulations, self-heating rice is no longer prohibited, but the following points should be noted:

1. Passengers can take self-heated rice by train, but they need to pay attention to the integrity of the packaging to prevent food from deteriorating or polluting.

2. When carrying self-heating rice, it needs to be put in a garbage bag to avoid garbage polluting the environment of the carriage.

If you use self-heating rice on the train, you need to pay attention to safety matters to avoid accidents.

In short, as long as passengers pay attention to the above regulations and precautions, they can successfully bring self-heating meals on the train.