"Railway Passenger Transport Regulations" has corresponding provisions on it:

Article 51 Passengers shall take care of their belongings. The weight and nuclear volume of each person's free carry-on articles are:

Children (including free children) 10 kg, 35 kg for diplomats and 20 kg for other passengers. The sum of the external dimensions of each article shall not exceed 160 cm. Rod-shaped articles do not exceed 200 cm; The weight does not exceed 20 kilograms.

Article 52 The following items shall not be brought into the car:

1. Articles prohibited or restricted by the state;

2. Dangerous goods, ammunition and chemical products whose nature the carrier cannot determine as stipulated in laws, regulations and rules;

3. Animals and articles that interfere with public health (including those with bad smells);

4. Articles that can damage or pollute the vehicle;

5. Items whose specifications or weight exceed the provisions of Article 51 of this Regulation.

Extended data:

Relevant laws and regulations of Railway Passenger Transport Regulations:

Twenty-second people who greet passengers on the platform should buy platform tickets. The platform ticket is valid for one use on the same day. For units that frequently pick up and drop off passengers, the station can sell regular platform tickets as needed. Children who are less than 1.2 meters in height accompanying adults and those who enter the station with the consent of the station under special circumstances may not buy platform tickets. When there is no platform ticket to enter the station without the consent of the station, the platform ticket will be doubled. Under special circumstances, the stationmaster may decide to suspend the sale of platform tickets.

Twenty-third passengers with the same date, train number, arrival station and seat can be used as group passengers, and the carrier should give priority to them; If a substitute ticket is issued, each person shall issue a group passenger card in addition to the ticket holder himself. People who get on the train at the boarding and alighting station without tickets can buy tickets in the train without handling fees.

Baidu Encyclopedia-"Railway Passenger Transport Regulations"