On January 30, 2020, the World Health Organization announced the outbreak of COVID-19 as a public health emergency of international concern and began describing it as a pandemic in March 2020 to emphasize the seriousness of the situation and urge all countries Take action in detecting infections and preventing proliferation. Unfortunately, there are currently no drugs approved by the FDA that have undergone controlled studies and proved to have an impact on this global pandemic virus. At present, the most powerful and effective weapon for society to deal with this virus that affects not only health but also economic, political and social order is to prevent the occurrence and spread of this disease. The key to preventing spread in society is hand hygiene, maintaining social distance and isolation. With the improvement of detection ability, more COVID-19 positive patients detected in the community can also reduce secondary cases through stricter isolation rules.  . . . . . . . . .Prevent the spread of the new crown, what should we do 1. . Cover your mouth and nose with tissues when coughing or sneezing. . . . . . Use your elbows to cover your elbows. 2. .Do not shake hands when meeting people, keep a distance of 3-4 steps away. 3. . Keep away from crowds. 4. .Do not touch the eyes, mouth and nose without washing your hands. 5. . Wash your hands with soap and running water for at least 20 seconds.  . . . . If you cannot wash your hands, disinfect your hands with a disposable disinfectant.  . . . . . . . . . . . . . . . . . . How to treat the correct ID? Before the drug, it is very important to prevent its spread in society. The main points to prevent spreading in society are hand hygiene, maintaining social distance and isolation. Therefore, each of us should pay attention to our own prevention. The above three points are to protect your family and contribute to the world.