Organizational members'working behavior is largely swayed by personal relationships,especially the vertical relationship between superior and subordinate.Compared with the level of the relationship between colleagues,subordinate relationship has greater impact on employees'behavior and the employees are more sensitive to it.And with the new generation of migrant workers becoming the main force of the privately-owned small and medium-sized enterprises of our country labor,how to create a harmonious relationship between superior and subordinate so as to improve the job satisfaction of the new generation of migrant workers,has become the problem to which the privately-owned small and medium-sized enterprises pay more attention.Based on the perspective of superior-subordinate interpersonal harmony,this study firstly explores the key factors affecting the superior-subordinate relationship through questionnaire survey and empirical analysis and puts forward corresponding countermeasures for the privately-owned small and medium-sized enterprises in our country which will have an important guiding significance for the better use of the new generation of migrant workers.