Cough and phlegm when cold what to eat fast can not be generalized, depends on the cause of cold cough, phlegm, from Western medicine, traditional Chinese medicine, according to the situation to analyze, specific as follows: First, from the Western medical point of view, can be caused by viral, bacterial infection, as well as mycoplasma, chlamydia, and other pathogenic microorganisms infections, according to the situation of the antiviral drugs, etc., as well as antibiotic medication. The specific analysis is as follows: 1, antiviral drugs: if it is caused by viral infections, antiviral drugs can be given for treatment or traditional Chinese medicine to identify the treatment. 2, antibiotics: if it is caused by bacterial infections, antibiotics can be given to anti-infective treatments, for example, the cephalosporin class of cefuroxime, cefaclor, cefadroxil, cefdinir, etc., or penicillin amoxicillin, amoxicillin clavulanate potassium, etc., and macrocyclic acid, cephalexin, ampicillin, amoxicillin clavulanate potassium, etc. potassium viologen, etc., and azithromycin, erythromycin, roxithromycin, etc., from the macrolide group. If the infection is caused by atypical pathogens such as Mycoplasma, Chlamydia, etc., it is usually treated with macrolide antibiotics for anti-infection. If it is an adult older than 18 years old, it can also be treated with quinolone antibiotics for anti-infective treatment, such as moxifloxacin, levofloxacin mesylate and so on. From the perspective of Chinese medicine, colds are usually divided into wind-cold colds, wind-heat colds and summer-dampness colds, which can be treated with medicines such as ephedra soup, Yin Qiao San and Elshotshotsholtzia drink, etc. The specific analysis is as follows: 1) Ephedra Soup: if it is a wind-cold cold, there will be coughing and coughing up white sputum, and the treatment can be added to Ephedra Soup to evacuate the wind-cold and stop coughing. 2) Yin Qiao San: if it is a wind-heat cold, there will be coughing, coughing up yellow sticky sputum, and the treatment can be added to Ephedra Soup. Yin Qiao San: If you have a wind-heat cold, you will cough and cough up yellow sticky sputum, and then you can use Yin Qiao San to relieve wind-heat, resolve phlegm and stop coughing.3. Elshotria Elsholtzia Drink: If you have a summer-damp cold, you will cough and cough up white sticky sputum, accompanied by a heavy head, loss of appetite and loose stools, and then you can use Elsholtzia Elsholtzia Drink to relieve summer heat and relieve the surface of the body.