1. Convenience: Online resumes can be created and updated directly on the Boss direct employment platform without uploading attachments separately, which greatly improves the convenience of the application process. Attached resume needs to be uploaded manually, and the operation is relatively cumbersome.

2. Unified format: The format and content of online resume can be unified with other functions of Boss direct employment platform, such as job matching and online communication, which makes the job search process smoother. The format of the attached resume may be different and incompatible with other functions.

3. Security: The Boss direct employment platform has strict security measures for online resumes, which can protect the privacy and information security of job seekers. The security of the attached resume is relatively low, and there may be a risk of being attacked or leaked by malicious software.