Blood routine is normal, that is, blood white blood cells are normal, neutrophils are not increased, this situation is considered to be a viral infection caused by colds, the main symptoms are nasal congestion, runny nose, sneezing, sore throat, cough, cough phlegm with fever. Most of the fever caused by viral is recurrent, after taking antipyretics, the temperature can drop to normal, but it will rise again soon. Viral colds are self-limiting and can be cured in 3-7 days by symptomatic treatment, drinking plenty of warm water and taking vitamin C supplements.