The elderly are less resistant than young people and have more underlying diseases, so special attention should be paid to the prevention and control of the new crown pneumonia: 1. Home disinfection: In winter and spring, the elderly have a more sensitive and fragile respiratory tract, and disinfection is preferred to the use of 75% concentration of alcohol swabs or alcohol wipe furniture on the ground, you can also use 84 disinfectant or other chlorine disinfectant. If the elderly at home are allergic to chlorine or will produce respiratory irritation symptoms, it is recommended not to use. 2, keep the temperature appropriate: home life, keep the room warm, if there is air conditioning, the temperature should be subject to the comfort of the elderly. 3, regularly open windows and ventilation: open windows in winter is too cold, many elderly people choose to close the doors and windows. However, opening windows and ventilating can help improve indoor air quality and reduce the amount of viruses that may be present. 4.Wash hands regularly: It is recommended to wash hands regularly during special periods to prevent viral infections.