Prepare some snacks for children so that they won't feel hungry during the trip.

3. Tell stories or sing children's songs to help them divert their attention.

4. If possible, try to choose a window seat so that children can see the scenery outside the window.

If children are noisy because of boredom, you can try to guide them to participate in some simple games, such as puzzles and drawing.

If the children are noisy because they are uncomfortable, you can give them some water or let them have a rest.

7. If the above methods can't soothe children, consider using some children's soothing products, such as pacifiers and soothing stickers.

8. If the child still can't be quiet, he may need to seek the help of the conductor to see if he can change to a quieter carriage.