Colds can be categorized into hot and cold colds, but apart from these two, there are other types of colds, such as summer-damp colds, yin-deficiency colds, and qi deficiency colds. 1. Hot colds, i.e. wind-heat colds, are characterized by heavy fever, light chills (fear of cold), slight windburn, red face, headache, poor sweating, dry throat and mouth, desire to drink water, nasal congestion with yellowish mucus, cough and phlegm, yellowish phlegm, or sore throat and so on. 2. Cold colds, i.e. wind-cold colds, are characterized by severe cold, light fever, no sweating, headache, nasal congestion, sneezing, sneezing, itchy throat and nose, soreness and pain in the limbs and joints, coughing and sputum, sputum that is thin and whitish in color, and no thirst or thirst for hot drinks. 3. Other types of colds (1) Summer-dampness colds are mainly characterized by body heat with slight windiness, poor sweating, turbid nasal discharge, dizziness and heaviness, heartburn and thirst, or clammy mouth, not drinking much water, soreness and pain in the limbs, or coughing and phlegm stickiness, tightness in the chest and epigastric plumpness, nausea and wanting to vomit, abdominal distension, not thinking about food and drink, and loose stools as the main manifestations. (2) Colds with Qi deficiency are characterized by severe cold, slight fever, no sweating, headache and body pain, cough and phlegm, white phlegm with no ability to cough out, tiredness and laziness of limbs, fatigue and weakness, and easy to catch a cold. (3) Yin deficiency cold to hot flashes (a burst of fever) night sweating (sleep sweating abnormal, wake up sweating to stop), a slight aversion to wind and cold, five heart heat (two hearts and two feet of the heart of heat, and consciously heart and chest hot), dry mouth and throat, dry cough with little sputum, tongue red with little moss as the main performance. When symptoms of cold and flu appear, it is necessary to actively consult the doctor and follow the doctor’s instructions for reasonable treatment.