Acute bronchitis can usually be cured in about 7 days, but the specific needs to be based on individual differences and the severity of the symptoms to decide. 1. Acute bronchitis usually starts quickly, manifested by nasal congestion and runny nose, coughing and coughing up phlegm, dry throat, sore throat and other symptoms of upper respiratory tract infections. 2. Some mild cases of acute bronchitis may resolve spontaneously, with symptoms subsiding within a week or so. If the symptoms are severe, active treatment is needed, and if the treatment is not timely, it may develop into chronic bronchitis. Therefore, if the symptoms do not subside in 3 days and the condition does not get better over time, you should consult a doctor in time and standardize the treatment. 3. Usually quit smoking, stay away from dust, eat a light diet, limit the intake of sweets; at the same time, we should also exercise properly to enhance the body’s resistance.