League member examinations usually involve some must-memorize contents as follows:

1. Constitution of the Communist Youth League of China: The League Constitution is the basic content that league members should know and understand, including the League nature, tasks, organizational system, members’ obligations and rights, etc.

2. The League’s line, principles and policies: League members should understand the League’s line, principles and policies, such as the League’s 19th National Congress report, important documents of the Central Committee on youth, etc.

3. The fine traditions and style of the League: League members should understand the fine traditions and style of the League, such as firm belief, diligent study, courage to innovate, and proactiveness, etc.

4. The use of the group’s symbols and the group’s flag, emblem, and song: League members should understand the group’s symbols and the rules for the use of the group’s flag, emblem, and song, and use them correctly.

5. Disciplinary sanctions of the group: League members should understand the types and procedures of the group's disciplinary sanctions, such as warning, serious warning, removal from the group's position, probation, expulsion from the group, etc.

The above content is for reference only. Specific exam content may vary by region and organization. It is recommended to check the relevant examination syllabus or consult the local youth league organization for more accurate information.