First of all, personal information should be marked in the email title. For example, the title of the email can be written as: name-contact information-applied position. This is because if you don't decide immediately after reading your resume for the first time, the second HR can quickly find your contact information through the mailing list to avoid missing the interview opportunity because you don't have contact information.

Secondly, the contact information should also be indicated at the top or left of the resume. Key information such as name, email address, telephone number, graduation school, job hunting intention, etc. It should be complete, so that after you pass the screening, you can immediately send an interview invitation through your personal information.