Children usually get the flu in about 5-7 days if it is a common cold, and in about 10 days if it is an influenza. When you have a cold, you need to drink more water, take rest, take vitamin C supplements and try to avoid going to places with a lot of people to prevent cross infection. You can take pediatric aminogastrin granules orally, which can treat and relieve the symptoms caused by various colds, such as headache, fever, nasal congestion, runny nose, sneezing, sore throat, etc. If the temperature exceeds 38.5 degrees, you can take ibuprofen suspension drops orally, which is mainly suitable for infants and children to reduce fever, and can play a fast role in reducing fever. You can also take Chinese herbal soup orally. For wind-cold fever, you can use Jing Fang Da Xuan Tang with addition and reduction, which has the effect of pungent warmth and dispersing cold. For wind-cold fever, Yin Qiao San can be added and reduced, which has the effect of cooling the exterior.