Taking antibiotics cannot prevent novel coronavirus infections. People should pay attention to proper exercise, balanced diet and strengthen protective measures. Antibiotics cannot prevent coronavirus infections because they are mainly for bacterial infections and have no effect on viral infections. At the same time, the abuse of antibiotics in the population may cause drug resistance and even increase the risk of other diseases, which is not conducive to the health of the organism. It is worth noting that there is no food or medicine that can prevent the new coronavirus. If healthy people want to prevent their bodies from contracting the new coronavirus, they need to receive the new coronavirus vaccine, and they should pay attention to proper physical exercise and a balanced intake of nutrients in their daily life, which can help strengthen their physical fitness and resistance to diseases, and improve their body’s immunity. Daily should also open windows and ventilation, wear a mask when going out, wash hands frequently, and avoid close contact with others. It is recommended that people follow the doctor’s instructions to use medication, and not to use drugs or prescriptions indiscriminately. When symptoms of new coronavirus infection are suspected, they should be reported to the community or local designated hospitals for isolation and treatment.