Abstract: Objective:The purpose of this meta-analysis was to examine the influence of physical activity on subjective well-being, and analyze the moderator variable between them, provide the exercise advice for the people who want to improve their subjective well-being.Methods:Random effects model were used to analyze the effect size on the Review Manager 5.2, related moderator variables were tested.Result:Meta-analysis found out that physical activity interventions can improve individual's subjective well-being (d=0.51) , 95%CI (0.40, 0.62) ;exercise time and frequency have the moderating effect on the relationship between them;while intervention period, intervention content, age, health status and research quality don't have such effect.Conclusion:In terms of improving subjective well-being, exercise intervention can be an economic and reasonable choice.Specifically, three times a week, 30 to 45minutes physical activity has the largest effect.