What's the procedure for taking the high-speed train across provinces now?

Legal analysis: ID card, ticket, normal temperature, show me your health code. If you are a passenger in a high school risk area, you need to register your name, ID number, telephone number, destination and other information, and provide proof of negative results of nucleic acid test within 14 days.

Legal basis: Article 14 of People's Republic of China (PRC) Railway Law should hold a valid ticket. If you travel without a ticket or with an invalid ticket, you should make up the ticket and collect the fare in accordance with the regulations; Refuses to deliver, the railway transport enterprise can be ordered to get off.