1. Check the membership card: the membership time will be clearly marked on the membership card.
2. Inquire about the application form for joining the League: When you joined the League, you filled in the application form for joining the League, with your time of joining the League on it.
3. Check your personal file: You joined the League during junior high school or college, and your personal file will record the time of joining the League.
4. Contact your Communist Youth League organization: You can contact your Communist Youth League organization and provide some basic personal information, name and ID number. The staff can check your joining time through the league system.
5. Inquire in official website, the Central Committee of the * * * Youth League: official website, the Central Committee of the * * Youth League, provides the function of inquiring the membership card. You can enter your name, ID number and verification code on the website to find out your membership time.
6. Inquire about "Youth League House" on WeChat official account: You can search for "Youth League House" on WeChat official account, click "Personal Center" after entering, and then enter your name, ID number and mobile phone number to find out your own joining time.