Emotion regulation is closely related to mental health. Improving the ability of emotion regulation will have a beneficial effect on the individuals. Now there is growing evidence that working memory training based on updating tasks can improve the emotion regulation ability of both people with mental illness and healthy people. This article reviews the research on the application of working memory training based on updating tasks in different population， to explore the effect and mechanism of the training and provide some insights for the application and development of the training in the field of emotion regulation.