Five classic laws of management, about the management of people, employment and education of people to retain people one. Ogleve's Law: Make good use of people who are better than ourselves Second, the law of not being worthwhile: let employees choose the work they like to do 3. The Law of Mushroom Management: Respecting the Growth Law of Talents IV. Bell Effect: Creating Opportunities for Talented Subordinates to Stand Out V. The Law of Wine and Sewage: Remove rotten apples in time