Relying on the data resources of over 120 million users across the province, Guangdong Mobile has built a signaling big data population algorithm model to achieve real-time updates of population data across the province every 5 minutes. This project strictly complies with data security laws and adopts desensitization and graded protection measures for user data. During typhoon defense, it assisted in the transfer of over 1,000 disaster victims, effectively ensuring the safety of people's lives.