Dong 'ao Town in Kaifeng belongs to Wanning City, Hainan Province. According to official website's inquiry, the epidemic prevention and control center in Wanning City, Dong 'ao Town was closed on September 8, 2022, and no one was allowed to enter or leave. By the beginning of June 2022 10, due to the improvement of epidemic situation, there were no new confirmed cases in COVID-19, so it was unsealed. However, residents still need to wear masks when going out, and carry out nucleic acid testing regularly.