Since May 5, affected by heavy rainfall, 5 rivers in southern China have experienced floods above the alarm. 22 rivers have exceeded the protection and 3 small and medium-sized rivers have experienced the largest flood since the actual records were measured.

May 5 is the 12th National Disaster Prevention and Mitigation Day in China. What are the characteristics of this year's flood season, and how can the public prevent and save themselves in the face of heavy rain and flooding? The Science and Technology Daily reporter interviewed relevant professionals.