Emotion work is a very important source of customer sense of service quality. Positive emotional performance of employee is necessary for service enterprises to obtain competitive advantages. Emotion work requires the application of emotion resources and the load of emotional labor. The nature of emotion work is to manage the emotion resources of employee.  Recent literatures concerning emotion work was reviewed, from the human resources management, including the personality, socialization, social support, etc.  The trend of this field was also discussed.