At present, the COVID-19 epidemic has had a huge impact on the study and life of college students in my country. In the face of a major epidemic, college students should pay attention to both physical health and emotional and mental health. This study conducted a questionnaire survey on college students across the country. After comparing with the survey results of the previous literature, the study found that college students' delayed behavior and psychological state of challenging stress and

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... rustrating stress are affected by the COVID-19 epidemic to varying degrees, indicating that college students may study online at home The source of the impact. The results show that the lack of effective supervision and learning atmosphere of college students studying at home will obviously reduce the learning efficiency and increase the procrastination behavior.