Generally speaking, running clear nose is mostly wind-cold cold, running yellow nose is mostly wind-heat cold. Wind-cold flu is characterized by heavy cold, mild fever, no sweating, headache, joint pain, clear running nose, cough, and thin, white sputum. If you have a wind-cold, it is advisable to use pungent warmth to relieve the symptoms, for example, using the formula of Thorny Prevention and Poisonous Dispersion. Wind-heat cold is characterized by severe fever, fear of wind, headache, red face, cough, yellow phlegm, sore throat, yellow nasal discharge and dry mouth. For those with wind-heat colds, it is advisable to use pungent coolness to relieve the symptoms, such as using Yin Qiao San and other formulas. Children with wind-cold and wind-heat colds can be identified by specific symptoms, but if the child has a cough, runny nose, it is recommended that parents consult a doctor in time, by the doctor to identify the symptoms of the treatment, not self-medication.