Colds are caused by viruses, and colds caused by viral infections can be effectively treated with cold and flu granules, but whether antiviral treatment is needed should be considered in conjunction with the condition of the patient. 1. Cold and flu particles are effective: the cold itself is caused by a viral infection, which can be manifested in fever, nasal congestion, runny nose, sore throat and other symptoms, can be taken under the guidance of a physician to relieve the discomfort caused by the cold and flu particles. 2. Whether antiviral treatment: At present, due to drug abuse caused by influenza virus drug resistance, generally for no fever, normal immune function, the onset of the disease does not need to take antiviral treatment, for immunodeficiency can be in the physician’s guidance of early use of antiviral drugs, such as oseltamivir and so on. There are many medications and ways to treat colds, so it is important to take into account the individual’s condition and give him or her reasonable treatment.