Games have been accompanied by the development of human history. With the rapid development of the Internet, online games have become a part of daily life. In traditional views, people often believe that online game behavior has a negative impact on individuals' mental health. However, a growing number of studies have found that online game behavior may also have a positive impact on individual psychology. This article combs through the relevant literature and then systematically examines the network game gain of individual psychological development from the self-efficacy, cognitive ability, interpersonal and emotional regulation, etc., in order to help people fully and reasonably understand the influence of network game, and promote the healthy development of individual with the positive role of online games.