中文摘要：

积极情绪在体育运动中扮演着重要的角色，运动可以引发积极情绪，积极情绪也可成为运动的动力。对积极情绪的准确界定和测量是进一步考察其功能的基础。然而在当前的运动心理学研究中，积极情绪的概念还比较混乱，对积极情绪的测量也存在诸多的问题。该文分析了上述现象的原因，并提出了若干改进的建议。

英文摘要：

Positive emotions play important roles in sports. Playing sports boost your positive emotions and in turn, positive emotions motivates us to participate in sports. The exact definition to positive emotions and measurement make a basis for further studying the function of emotions. However, the concept is currently chaos in the field of sports psychology and there exist a range of problems in measurement. This paper explored the causes of problems and gave some advice for improvement.