Children’s yellow nasal mucus is mostly externally sensed wind-heat evil, or externally sensed wind-cold depression and transformed into heat (the evil gas over a long period of time will be transformed into heat), sputum yellow and thick for the heat of the frying evil, with the Yin Qiao San, etc., in addition to nasal mucus, the rest of the symptoms of the two are also different. Heat for the yang evil, the heat evil burn frying yin liquid, phlegm and snot more color yellow, sticky, feeling the wind-cold evil, phlegm and snot color clear quality thin, wind-cold day long depressed and transformed into heat, there will be snot yellow thick, the treatment of pungent and cool relief of the surface for the method, Fang can use silver warsia san plus reduction, mulberry chrysanthemum drink plus reduction, etc.. In addition to yellow nasal discharge, wind-heat can be accompanied by fever, wind, dry mouth and throat, sore throat, cough with yellow sputum, dry stools, yellow urine, pale red tongue, thin yellow moss, floating pulse. External wind-cold clinical manifestations of cold (fear of cold), fever light, headache, limb pain, nasal congestion, runny nose, itchy cough, cough white sputum, thin white tongue, pulse floating tight, and so on. If you are not feeling well, consult a doctor in time and do not take medication without authorization.