In order to investigate the impact of basic needs satisfaction on game satisfaction as well as the mediation of flow experience and positive emotion,a sample of 286 online-game player completed Questionnaire of Basic Needs Satisfaction,Flow Experience Questionnaire,Positive Affect Scale and Satisfaction With Game Scale.Data were analyzed with SPSS 17.0.We used bias-corrected percentile Bootstrap method to analyze the chain mediating roles of online flow experience and positive emotion in relationship between basic needs satisfaction and game satisfaction.The results indicated:1) the four factors of basic needs satisfaction,flow experience,positive emotion and game satisfaction are all pairwise correlated;basic needs satisfaction had an direct effect on game satisfaction and could significantly predict flow experience and positive emotion;flow experience could significantly predict positive emotion;and both flow experience and positive emotion could significantly predict game satisfaction.2)basic needs satisfaction affected game satisfaction through three indirect paths:the mediating role of flow experience,the mediating role of positive emotion,and the chain mediating role of both online flow experience and positive emotion.Conclusion:Basic needs satisfaction not only had an direct effect on game satisfaction but also affected game satisfaction through the serial mediating role of flow experience and positive emotion.