小儿肺炎支原体感染是临床上比较常见的疾病,近年来已成为小儿呼吸道感染的主要病原体之一[1],在婴幼儿肺炎病原的发生率可达到10%~30%[2]。该病多发生在秋冬季节,其主要传播途径为呼吸道的飞沫,易引发扁桃体炎与咽炎、支气管炎与肺炎等呼吸道感染,若不及时治疗可导致脑膜炎、肝炎、心肌炎等脏器损伤的疾病,严重者更可致患儿死亡[3]。因此,了解小儿肺炎支原体感染的临床特点及致病的相关危险因 Mycoplasma pneumoniae infection is a relatively common clinical disease in recent years has become one of the major pathogens of respiratory tract infections in children [1], the incidence of pneumonia in infants and young children can reach 10% to 30% [2]. The disease occurs in the autumn and winter seasons, the main route of transmission for the respiratory droplets, easily lead to tonsillitis and pharyngitis, bronchitis and pneumonia and other respiratory tract infections, if not treated can lead to meningitis, hepatitis, myocarditis and other organ damage Disease, severe cases can cause death in children [3]. Therefore, to understand the clinical features of children with Mycoplasma pneumoniae infection and pathogenic risk factors