Old employees can resubmit their electronic resumes. Companies require old employees to resubmit their electronic resumes for different reasons, such as updating personnel files and preparing for internal promotion through performance appraisal. Re-submitting electronic resumes of old employees can help the company to understand the work experience, skills and achievements of employees more comprehensively and better manage and arrange personnel. Old employees should actively cooperate with the company's requirements and resubmit updated electronic resumes in order to better show their advantages and values.