Cold, commonly known as typhoid, is a kind of external disease that is caused by the dysfunction of the lung and body due to the feeling of wind or seasonal virus, resulting in nasal congestion, runny nose, sneezing, cold (or wind), fever, head and body pain, general discomfort and other major clinical manifestations. The onset of cold is often caused by both cold and heat, so we have to distinguish between wind-cold and wind-heat cold. Wind-cold cold is caused by the loss of lung qi after feeling the evil of wind and cold. Clinical manifestations: heavy cold, light fever, no sweating, headache and body pain, stuffy nose and runny nose, coughing and spitting thin white sputum, no thirst or thirst for hot drinks, thin white coating and other clinical symptoms. The disease is located at the surface and is cold in nature. The evidence is superficial and cold. It is appropriate to choose drugs that relieve the symptoms and disperse the cold. Often use ephedra, thorny mustard, wind, sage, pine, ginger and other drugs to dispel cold. Commonly used Chinese patent medicines can be chosen from Zheng Chai Hu Drinking Punch, Cold Soft Capsules, Chuanxiong Cha Tiao San, Tong Xuan Li Lung Pill, etc. Commonly used prescriptions are Gui Zhi Tang, Ephedra Tang and Jing Fang Shen Poisoning San, but they should be used according to the condition and added or reduced according to the evidence. After taking the medicine, you can drink some hot porridge or hot soup and sweat slightly to help the medicine dispel the wind and cold. Wind-heat cold is a clinical symptom caused by the dysfunction of the lung guard due to the feeling of wind-heat evil. Clinical manifestations: fever, slight evil wind-cold, slight thirst, little sweating, red tongue, thin yellow fur, floating pulse, may be accompanied by headache, sore throat, cough and other symptoms. The disease is located at the surface and is hot in nature. The evidence is superficial and heat. The treatment should be based on drugs that relieve symptoms and clear heat. It is often used in the form of Chai Hu, Chrysanthemum, Peppermint, Mulberry leaf, etc. If the fever is heavy and the sore throat is obvious, you can take Shuanghuanglian Oral Liquid (Punch), Qingkailing Punch, etc. Commonly used main treatment formula Yin Qiao San and Sang Ju Drink. Drink more water and have a light diet, you can drink radish soup or pear soup.