According to the public information of the Ministry of justice, the South Korean citizen group “Friends of Asia” analyzed the current situation of the national protection centers for foreigners according to the public information of the Ministry of justice, and released the results on August 21. The results showed that the number of people they took in exceeded the upper limit. With the recent spread of the new coronavirus epidemic centered around the capital circle, the risk of cluster infection within the facilities is also increasing. < p > < p > the aliens’ protection center is the temporary residence of foreigners who have been forced to leave the country because of visa expiration or violation of laws and regulations. According to the 3rd of this month, 760 foreigners stayed in Huacheng city in Gyeonggi Daohua City, Qingzhou City Protection Institute in North Zhongqing district and Lishui entry exit office in quanronan Road, with a month on month increase of 7.7%, more than double that before March, which is the highest level of this year. According to the analysis, the main reasons for the increase of the number of people taking in illegal employment are flight suspension and the Ministry of justice’s increasing control on illegal employment. “Friends of Asia” said that 494 foreigners stayed in shelters for less than a month, an increase of 54% on a month on month basis, which is related to the Ministry of justice stepping up its crackdown on “black workers” in some industries. Li zaija, a professor of Infectious Medicine at Hanlin University School of medicine, said that the risk of new coronavirus infection in confined spaces such as foreigners’ shelters and detention centers is much higher than that in other places, and one or two confirmed cases may trigger large-scale collective infection events. Only by strengthening the monitoring of body temperature, urging the personnel to wear masks and other ways to strengthen the epidemic prevention.