Pediatric bronchitis 3 days can not be self-cured, do not listen to prescriptions, the length of the disease depends on the type of microorganisms infected, the child’s immune system and other factors, the general pediatric immune deficiency, the disease tends to be longer, the treatment can be directed at different pathogenic microorganisms, the use of different drugs for treatment, but also for the child’s symptoms of the symptomatic treatment. Bronchitis may be caused by viruses, bacteria, mycoplasma and other microbial infections, some of the viral infections, such as respiratory syncytial virus, rhinovirus, is self-limiting, although for adults, 7 to 10 days can be self-cured, but the child’s immune system is low, so the parents should pay attention to the treatment of the doctor’s orders to stop coughing, resolve sputum, fever and other symptomatic treatment. If the bacterial, mycoplasma and other infections caused by bronchitis, you need to follow the doctor’s instructions to use penicillin, azithromycin and other drugs for treatment, in addition to the use of aminoglutethimide, acetylcysteine nebulizer cough phlegm, if the body temperature reaches 38.5 ° C or more, the older babies can be used in accordance with the doctor’s instructions, such as acetaminophen and other medications for antipyretic treatment. If a child is diagnosed with bronchitis for 3 days, please follow the doctor’s instructions for treatment, not blindly use their own medicine.