Viral infections in children need to be treated with medication according to the cause of the disease. There are many viral infections, such as influenza virus, herpes virus, rotavirus, respiratory syncytial virus, adenovirus and so on. 1. Influenza virus: Influenza A or influenza B viruses, can be treated with antiviral drugs such as oseltamivir and zanamivir under the guidance of a doctor, and ibuprofen can be used to reduce fever in response to high fever. 2. Herpes virus: it is the virus that causes chickenpox and other diseases. It can be treated with acyclovir tablets and ganciclovir tablets under the guidance of doctors, and loratadine tablets can be used for itching. 3. Rotavirus: it is the virus that causes viral enteritis, because there is no specific antiviral drug treatment for this disease, in the treatment of the above to support the symptomatic (can be applied to montmorillonite powder, bifidobacterium trilobacterium capsule, etc.) treatment, pay attention to fluid rehydration. 4. Respiratory syncytial virus, adenovirus: it is the virus that causes common cold or upper respiratory tract infection, and can be treated with ribavirin granules, antiviral oral solution and other medications under the guidance of a physician. You need to go to the hospital to confirm the cause of the disease after treatment, you can not randomly use drugs.