On May 18，2021 the Huaqiang North SEG building located in Futian District，Shenzhen City，Guangdong Province had experienced shaking. After the incident all the people in the building quickly evacuated the building. The relevant government departments promptly organized all parties to monitor and assess the safety of the building，released the event information immediately，formed a professional conclusion through scientific investigation and demonstration. The incident was handled in an orderly and effective manner.