High fever and severe cough caused by bronchitis is mostly considered as the cause of acute bronchitis, and the treatment includes symptomatic treatment, antibiotic treatment and general treatment. 1. For those with high fever, first lower the temperature in time and use antipyretic and analgesic medicines, such as acetaminophen or ibuprofen suspension. For severe cough without phlegm, take cough suppressants, such as Pentoxyverine, Dextromethorphan, etc. If there is phlegm, take cough suppressants and phlegm removers, such as Ambroxol Hydrochloride, Glycyrrhiza glabra. 2. Acute bronchitis caused by bacterial infection, oral antibiotic drugs, preferred new macrolides such as roxithromycin. 3. During the treatment period, pay attention to more rest, drink more water, avoid exertion, light diet, etc.. If the high fever and severe cough caused by bronchitis continues to be unable to relieve, should also consider the possibility of combining other diseases, such as pneumonia, etc., it is recommended to go to the hospital in a timely manner, under the guidance of the doctor for standardized treatment, the above drugs can not be taken on their own.