It is very common that people are affected by different levels of anxiety in different environments. However, there is no effective research or corresponding measures for this phenomenon. This study through the questionnaire survey combined with interviews and experiments, through the investigation and experiment to find out the reasons for the spread of anxiety in the group, and through further experiments found that people can produce positive emotions and eliminate anxiety when watching portraits with positive emotions, and finally find out the method to solve the problem of anxiety in private and public occasions.