Well-being is the eternal pursuit of human beings. In the last 10 years, the research on police well-being has been increasing. Domestic and international studies showed the following trends: inconsistent with the concept of "police well-being"; many differences in the meaning of "well-being" and its constituent elements; psychology is the main research position, and there are new research trends outside the traditional pressure research; in the empirical study, the independent variables show the trend of diversification, and the special research on specific objects reflects the strong difference between China and the west.