How to fill in the railway 12306 username correctly?

Railway 12306 user name filling rules

Railway 12306 user name is the unique identifier used by users when registering on the 12306 website. The filling requirements are as follows:

Format requirements:

• Length: 6-16 digits
• Character type: Supports Chinese characters, letters, and numbers , underscore (_)
• First and last characters: must be letters or numbers
• Does not contain special characters: For example: spaces, punctuation marks, etc.

Recommendations:

• Avoid using sensitive or ambiguous usernames: For example: sensitive words, political figures , religious figures, etc.
• It is recommended to use a meaningful username: For example: initials, date of birth, nickname, etc.
• Avoid using common or simple usernames: For example: admin, 123456, etc.
• Consider using a password management tool: Generate and store complex usernames.

Example:

• Correct username:Zhangsan,Lihua123,my_username
• Incorrect username: 123456, password, _username_

Please note that the railway 12306 username cannot be changed once registered, so be sure to choose carefully when filling it out.

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