1. The first letter of the first word at the beginning of an English sentence should be capitalized.

Example: How are you? How are you?

This is a book. This is a book.

2. Both the first name and the last name in the name should be capitalized.

For example: Ann Read, Zhou Hua, Zhou Hua.

Capitalize the first letter of the word indicating the address or position.

Example: Mr. Green and Dr. Li Li

4. The first letters of words such as place names, language names and ethnic names should be capitalized.

For example: Britain, Britain, beijing beijing, Britain, China, China and China people.

5. Words representing numbers should be capitalized.

Example: Lesson 2, Line 3, Row 3

6. The names of weeks, months and festivals should also be capitalized.

For example: Sunday, Sunday, September, Teacher's Day.

7. Abbreviations should be capitalized.

For example: CCTV (China Central Television), ID (Identity Card) and CD (Compact Disc).

8. "I" and "OK" should be capitalized anywhere in the sentence.

Tom and I are students. Tom and I are students.

It doesn't matter. You're welcome.

9. Title of the article, title of the book, name of the newspaper, etc. The first word and the first letter of each notional word should be capitalized.