Abstract: In the autumn and winter of 2023, the number of children with Mycoplasma pneumoniae respiratory tract infections in Northeast China has increased significantly. In order to further standardize the clinical prevention and treatment and give full play to the advantages of integrated traditional Chinese and western medicine treatment, the construction project team of pediatric pneumonia（a key disease） of the National Center for Inheritance and Innovation of Traditional Chinese Medicine, and the pediatric experts of traditional Chinese and western medicine in Northeast China, by referring to the National Health Commission's Guidelines for the Diagnosis and Treatment of Mycoplasma Pneumoniae Pneumonia in Children(2023 Edition) and on the basis of the clinical characteristics of children in the cold regions of Northeast China, have reached a consensus on the classification of Mycoplasma pneumoniae respiratory tract infection, the pathogenesis of traditional Chinese and western medicine, clinical manifestations, imaging and bronchoscopic manifestations, laboratory examination, early warning of important complications, and the treatment of traditional Chinese and western medicine in the infection period, pneumonia period and recovery period. The aim is to effectively solve the clinical problems of Mycoplasma pneumoniae respiratory tract infection and improve the comprehensive abilities of pediatricians in the diagnosis and treatment of Mycoplasma pneumoniae respiratory tract infection, and then promote the development of integrated traditional Chinese and western medicine research in Mycoplasma pneumoniae respiratory tract infection.

Key words: Respiratory tract infection, Mycoplasma pneumoniae, Integrated traditional Chinese and western medicine, Northeast China, Children