According to relevant data, the serious epidemic situation in Handan was caused by the entry of outsiders. On August 23, 2022, in the normalized nucleic acid detection and screening in Handan Mountain area, two initial screening positive persons, Guo Moumou and Sun Moumou, were found. Both of them are foreigners who entered Handan, and Handan immediately took emergency risk control measures. By September 2022 15, the epidemic situation in Handan had been completely eliminated, with no increase for 22 consecutive days.