Cough, phlegm, low fever, mainly due to respiratory tract infectious diseases, viral and bacterial infections are more likely to be actively treated with antibacterial and antiviral drugs, but also need to be used to stop coughing, phlegm medication, but also need to be used to clear heat and remove the fire of the drug. Commonly used drugs in the clinic are amoxicillin, roxithromycin, ribavirin, acute branch syrup, snake gall and Sichuan shellfish liquid, Pu Di Lan anti-inflammatory granules, blue scutellaria oral solution and other drugs. If the above symptoms occur frequently, it is necessary to consider that it is caused by tuberculosis, accompanied by generalized weakness, emaciation, night sweats and other symptoms, and it is necessary to do the tuberculin test, and it is also necessary to do the sputum culture to make a clear diagnosis. At this time, it is necessary to appropriate amount, regular, the whole treatment with sensitive anti-tuberculosis drugs, commonly used drugs are rifampicin, isoniazid, streptomycin and so on.