The rural migrant workers make great contribution in the urban building, but they are often described as the people who are not happy. What are the influencing factors of their well-being? How to improve their well-being? This study explores the relationship between the income and interactive justice in the working process from the research angle of business management. We find that the managers’ respect will influence the relationship between the income and well-being of the rural migrant workers: more income cannot bring more well-being without managers’ respect, but if they can apperceive the respects from their managers, more income will bring more well-being. Furthermore, when the rural migrant workers obtain more well-being, they will have higher performance and lower turnover rate. Therefore, managers should be trained to respect their employees when they manage the rural migrant workers. Only in this way, they can motivate employees’ well-being and promote the common development of enterprises and employees.