Generally speaking, companies will establish a resume database and will not delete resumes. However, if the paper version is not hired, it may be thrown away, and employees who successfully join the company will generally keep it until they leave. If there is a human resource information management system in the company, their resumes can be found even after leaving the company. Moreover, when the new enterprise pays social security and provident fund, the new enterprise can see the name of the unit that has been paid to you before. If it is an important position, there will usually be a background check before joining the job.