Because the sealing of the high-speed rail is very strong, generally speaking, the windows on the high-speed rail can not be opened, and instant noodles a brewing fragrance is also very strong, so the whole carriage will be full of instant noodles flavor.

At the same time it will also affect the rest of other passengers, so in the high-speed rail is not allowed to sell instant noodles.

But the smell of boxed lunch on the high speed train is not very big, so you can eat boxed lunch on the high speed train.

Extended information:

The reason why you can eat instant noodles on the train:

The sealing is not so strong, and the traveling speed is not fast. Even if the windows are open and the wind is leaking, it won't slow down the train, so it won't have any effect. And if you eat on the train, the smell won't dissipate so quickly, after all, if you open the window, the smell will easily float out.

A train ride is a long way. So if you eat, you need to eat a little bit, can make people full, the journey is too long people can easily feel hungry.

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