This paper introduces the application of the idea of “Treating lung and spleen simultaneously” of treating Children Recurrent Respiratory Tract Infection (RRTI) in different period. We discuss the therapeuti  Methods: of Dong’s Traditional Chinese Pediatrics in protecting the spleen and stomach function, including “Supi decoction”,acupuncturing ‘Sifeng’ acupoint, Meridian pilot, diet adjustment, and herbal extracts. At the same time, we introduce the relevant researches about the idea of ‘Treating lung and spleen simultaneously’ in children RRTI.