A cold and cough is caused by the attack of the six external evil spirits on the lung system, or the dysfunction of the internal organs, internal injury to the lung, unclear lung qi, and loss of publicity and purification. It is important to distinguish between wind-cold, wind-heat and wind-dry coughs to choose the remedies to relieve the symptoms. Commonly used formulas include San Wou Tang combined with Cough Stopping Powder and Sang Xing Tang. San Weng Tang is composed of Ephedra, Almond and Licorice, while Stopping Cough San is composed of Radix Platycodon, Thornbush, Chen Pi, Licorice, Aster, Bupleurum and Bai Qian. It is mainly used for wind-cold cough. Clinical manifestations include heavy cough, shortness of breath, itchy throat, thin and white sputum, often accompanied by nasal congestion, clear runny nose, headache, or symptoms such as vicious cold and fever without sweating, with thin white tongue coating and floating or tight pulse. The main effect is to disperse wind and cold, promote lung circulation and relieve cough. Adding and subtracting: if the symptoms of chest tightness and shortness of breath are not obvious but there are external symptoms, remove ephedra and add thorny mustard, sage leaf and ginger to dispel wind and relieve the symptoms; if there is phlegm and dampness, cough with sticky phlegm, chest tightness and greasy moss, add half asia, Chuan Park and Poria to dry dampness and dissolve phlegm; if the cough is prolonged, add aster and perilla to warm and lower the rebellion; if the surface cold is not resolved and there is heat inside, heat is cold, cough is mute, shortness of breath is like asthma, phlegm is thick, thirsty, heart is troubled If the cough is dull and dull, with phlegm thick, thirsty, disturbed heart, or body heat, add gypsum, mulberry peel, and scutellaria to clear the exterior of the body. Mulberry and Apricot Soup is composed of Mulberry leaf, Almond, Salvia officinalis, Bayberry, Gardenia bark, Tempeh and Pear skin. It is mainly used for wind-dry cough. Clinical manifestations include dry cough with continuous choking, itchy throat, dry and sore throat, dry lips and nose, no sputum or little sticky sputum which cannot be easily expelled, or blood in the sputum, dry mouth, initially or with nasal congestion, headache, slight chill, body heat and other superficial symptoms, red and dry tongue with little fluid, thin white or thin yellow coating, and floating or small pulse. Main effects: Clearing wind and lung, moistening dryness and relieving cough. Adding and subtracting for identification of symptoms: for cough with dry sputum and dry red tongue with little moss, nourish lung yin with maitake and northern ginseng; for cough with heavy heat and no cold, irritable and thirsty, add gypsum, Zhi Mu and black gardenia to clear the lung and drain heat; for cough with damaged lung collaterals and blood in sputum, add white foxglove to clear heat and stop bleeding.