Garlic cannot prevent the new coronavirus. Prevention of the new coronavirus can be achieved by: 1. reducing activities outside, reducing activities in crowded public places, reducing visits to friends and relatives, and resting at home as much as possible; 2. personal protection and hand hygiene, it is recommended to wear a mask outside, wear a surgical mask or N95 mask when going to public places, maintain hand hygiene, reduce contact with public objects, wash hands with hand sanitizer when going home, rinse with running water, and avoid touching the nose and mouth with hands when you are not sure whether your hands are clean; 3. proper exercise to strengthen the body’s resistance.