The formula in word cannot be inserted into WeChat official account. You can make changes. First copy the article from word to the editor of cke editor, and the formula will automatically become a picture. (Baidu ckeditor)

Then copy the contents of the editor back to word, and make the formula become the pattern of the picture.

Save your words as "Formula Test". Docx "and rewrite the suffix as" * ". zip "

Unzip this file. All the pictures in word are in word/media.

You can refer to this video for quick photo typesetting of WeChat official account, and leave it for Weibo to find.