It is impossible to judge whether it is wind-heat cold or wind-cold cold based on the symptom of “coughing up phlegm” alone, but it should be combined with other symptoms of the patient to make a comprehensive judgment. 1. Wind-heat cold: this disease is mostly characterized by coughing, coughing up phlegm, yellow and sticky phlegm, heavy fever, light cold (fear of cold), headache, headache, slightly windy, sore and swollen throat, nasal congestion, yellow runny nose, thirst and drink, and floating pulse. 2. Wind-cold flu: the disease mostly develops in winter, the patient will have cough, sputum white thin, itchy pharynx, chills heavy fever light, headache, limb pain, sneezing, thin white tongue, pulse floating tight and other manifestations. If the patient has a cough with phlegm, you need to go to a regular hospital, under the guidance of a professional physician to identify the treatment.