Pediatric acute bronchitis recurrent fever has four possibilities: 1, bacteria, viruses, mycoplasma common pathogens infections, can cause inflammation of the airways, accompanied by fever, need to go to the hospital for a blood test, mycoplasma and viruses related to the test, according to the pathogenic situation to give symptomatic treatment, targeted medication can be not messed up antibiotics. 2, give the appropriate antibiotic treatment, but the symptoms have just been relieved on the discontinuation of the drug, the treatment is not complete. 3, is allergic factors, allergies can also cause low fever, cough, must be observed that may be exposed to allergic things or after the emergence of fever. If the treatment is not complete, the inflammation can be repeated again and again fever. 3, is the allergy factor, allergies can also cause low fever, cough, must be observed may be in contact with allergic things, or after eating allergic reactions, such as rashes, eye redness, itchy eyes, itchy nose, runny nose, may be related to allergies, when necessary to check the allergen. 4, is there any history of tuberculosis contact, to check the relevant tests for tuberculosis. To check the tuberculosis related tests, if necessary, take a chest X-ray or CT.