Check for typos: read the paper carefully, especially the title, abstract, text and conclusion, to find out if there are any typos. For typos found, you can record them and correct them.

Check with tools and software: some tools and software can be used to help check typos, such as "dark horse proofreading" These softwares can help identify typos, grammatical errors, etc. , but pay attention to the accuracy of the software.

Ask others: If you can't find the typo, you can ask others to check and correct it for you. Classmates, teachers or professionals can help.

Pay attention to homophones and variant forms: in the writing process, we need to pay attention to the differences between homophones and variant forms to avoid confusion and typos.