"Railway passenger transport regulations" has corresponding provisions:

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

Articles whose transportation is prohibited or restricted by the state; Dangerous goods, ammunition and chemicals whose nature cannot be determined by the laws, regulations and rules; Animals and articles that hinder public health; Articles that may damage or pollute the vehicle.

In order to facilitate the travel life of passengers, you can carry no more than 20 ml of nail polish, gloss remover and hair dye. Do not exceed 100 ml of alcohol and cold perm essence. No more than 120ml of mousse, hair gel, sanitary insecticide and air freshener.

Extended data:

Relevant laws and regulations on railway passenger transport stipulate that:

Article 44? In order to safeguard their legitimate rights and interests, passengers can complain to the carrier, management organization, ground service agent, sales agent or administrative organ, or directly apply for arbitration or bring a civil lawsuit according to law.

The carrier, the management organization, the ground service agent and the sales agent shall set up a special agency or designate a person to be responsible for accepting complaints, and announce the telephone number and e-mail address of complaints in China to the public in an appropriate way, and report them to the administrative organ for the record.

If the complaint accepting institution, complaint accepting personnel and contact information change, it shall inform the administrative organ in writing within 5 days from the date of deciding to change. Hong Kong, Macao and Taiwan carriers and foreign carriers should have the ability to accept complaints from China.

Baidu Encyclopedia-Regulations on Railway Passenger Transport