You can take the basketball on the train. There is no stipulation in the forbidden articles on the train that basketball is not allowed, so basketball can be taken on the train.

The following items are prohibited on the train:

1. Articles whose transportation is prohibited or restricted by the state;

2. Dangerous goods, ammunition and chemicals whose nature the carrier cannot determine according to laws, regulations and rules;

3. Animals and articles that hinder public health (including smelly ones);

4. Articles that may damage or pollute the vehicle;

5. Articles whose specifications or weight exceed the provisions of the railway passenger transport rules.