Having bronchitis can easily cause cough, sputum and fever. If the sputum coughed up is white foamy sputum, it is mainly considered to be caused by viral infection and needs to be treated with antiviral drugs. Generally, you can take oral ribavirin, Shuanghuanglian oral liquid and anti-viral oral liquid. It is also necessary to take oral cough medicine to relieve cough and resolve phlegm, for example, you can use acute syrup, snake bile and Sichuan shellfish liquid, aminoglutethimide granules and other drugs. If the disease is long and the effect of the above drugs is not very good, you need to go to the hospital first for examination, mainly for routine blood tests, chest X-ray, and also for mycoplasma antibodies. If the mycoplasma antibody is positive, mainly caused by mycoplasma infection, you can use macrolide drugs to treat, more commonly used drugs are azithromycin, roxithromycin. If there is a fever, you need to use the symptomatic treatment with drugs to clear the heat and reduce fever.