Due to the low immunity of infants, they are more prone to viral colds. 1. For milder symptoms, general treatment can be taken by paying attention to rest, maintaining a good surrounding environment, drinking more water and supplementing with appropriate amount of vitamin C. 2. For more severe symptoms, they need to seek medical attention and be given antiviral drugs such as triazolyl nucleoside under the guidance of a doctor, and also use Recombinant human interferon alpha-2b spray to inhibit viral replication. At the same time, active symptomatic treatment is needed, such as acetaminophen and other antipyretic drugs for high temperature, or warm water baths for physical cooling, and saline nasal spray for nasal congestion. During the treatment period, it is necessary to strengthen the daily care, pay attention to a light diet, give the infant more warm water, dry up in time if sweating, change clothes if necessary, and pay attention to warmth to avoid getting cold, parents should avoid taking the infant to crowded places.