Human resources are mainly divided into four stages, 1 and personnel management stage. 2. Human resource management stage. 3. Strategic human resource management stage. 4. Talent management stage. At present, Google is in the fourth stage, which shows that human resource management is regarded as a whole and no longer divided into modules. Its goal is to realize the continuous supply of talents for the company's development, and the business focus of the human resources department has shifted to attracting, recruiting, developing, managing and retaining talents, further strengthening the strategic position of human resources.