On September 16, 2022, the first imported monkeypox case was reported in the Chinese Mainland. Laboratory tests including nucleic acid detection were carried out in Chongqing Nan'an Centre for Disease Control and Prevention and Chongqing Center for Disease Control and Prevention. After that, monkeypox virus was isolated by the Institute for Virus Disease Control and Prevention and preserved at the National Pathogen Resource Center on September 18, 2022. The National Pathogen Resource Center shared the basic information of monkeypox virus strain, samples, biosafety, strain imaging, RT-PCR primers, and probes sequence timely to support the prevention and control of monkeypox epidemic and facilitate the scientific research on vaccine development, drug screening and evaluation of monkeypox virus in the future.