1—— Whether the conditions negotiated when entering the site are met after entering the site; If not, employees will leave; 2- whether to exaggerate the company's entry, employees found that recruiters deliberately exaggerated, so they left disappointed; 3- the tracking of new employees after joining the company is not in place, and there is a gap between the expectations of employees before joining the company and what they actually saw, which is unacceptable and they leave the company; Human resources or other personnel find a few people who have left their jobs, have a good talk in private and ask for specific reasons. The real reason is what they really said.