Cold cough and hot cough are wind-cold cough and wind-heat cough, which can be judged from the sound of cough, the color of sputum, and concurrent symptoms. In terms of coughing sound, wind-heat cough (wind-heat evil Qi invades the lungs) shows that the cough is frequent, hoarse or thick; wind-cold cough shows that the cough is heavy and short of breath. In terms of the color of the phlegm, wind-heat attacking the lungs manifests as thick or yellowish phlegm, while wind-cold attacking the lungs manifests as white sputum. Wind-heat attacking the lungs can also appear cough and phlegm, headache, throat dryness and sore throat, bad wind, yellow nasal discharge, thirst, body heat, thin yellow moss; wind-cold attacking the lungs can also appear clear flow of mucus, itchy throat, chills (fear of cold) fever, nasal congestion, no sweating, headache, limb aches and pains. After the appearance of discomfort should promptly consult a doctor, under the guidance of the physician’s identification and selection of medication, not self-medication, so as not to delay the condition.