The purpose of this study is to evaluate the efficacy of Vitamin A (VitA) as an adjuvant therapy for pediatric Mycoplasma Pneumoniae Pneumonia (MPP) through meta-analysis, and to investigate its impact on inflammation levels (IL-6, IL-10), in order to explore the role of VitA in pediatric MPP. This evidence concerns the gene IL6 and Mycoplasma pneumoniae pneumonia.