No need. According to the investigation of Ganzhou Epidemic Notification and Entry-Exit Management Regulations and Dongguan Epidemic Notification and Entry-Exit Management Regulations, as of February 2, 2022, Longnan is a normalized epidemic prevention and control area, and Humen is a high-risk area, so there is no need to isolate it. It is necessary to carry 48-hour negative accounting test results, continue to strengthen personal protection awareness, wear masks scientifically, wash hands frequently and ventilate frequently, try not to go to places with dense people and poor air circulation, and try to reduce cross-city travel.