The resistance of the elderly has generally declined, and they are the key population for the prevention and control of the COVID-19. In order to reduce the risk of infection, the Beijing Municipal Center for Disease Control and Prevention recently issued a health reminder for the elderly on epidemic prevention and control, suggesting that the elderly should try to avoid going out during the epidemic, not visiting or gathering, avoid going to crowded public places, reduce contact with outsiders, and stay away from people with fever and cough symptoms. They can contact their relatives and friends by phone or online. During the epidemic, the elderly must take personal protection when they have to go out, especially when they enter public places, they should wear masks, cooperate with the prevention and control measures such as temperature measurement and code checking, nucleic acid negative certificate checking, etc; During nucleic acid testing, try to avoid queuing peak, wear masks correctly, do not gather, do not pile up, talk less, keep a safe distance, do not spit everywhere after testing, wear masks immediately, do not stay, and do a good job of hand hygiene. Pay attention to breathing etiquette. Cover your mouth and nose with a paper towel when you cough or sneeze; If there is no paper towel or it is too late, cover your mouth and nose with your sleeve elbow; When wearing the mask, do not take off the mask when coughing or sneezing, and replace the mask at the right time. Wash your hands immediately after going home; Wash your hands carefully before and after meals, cooking, eating, and taking care of children. (Outlook New Times)