Abstract: Objective：To study the relationship between syndrome characteristics and attack time of cough in infantile pneumonia mycoplasma infectious，then to provide guidance for the clinical diagnosis and treatment.Methods：A total of 115 cases of infantile pneumonia mycoplasma postinfectious cough were admitted to the First Affiliated Hospital of Hunan University of TCM from Feb. 2013 to Feb. 2014.We collected the clinical data and counted the distribution of syndromes，then analyzed the correlation between syndromes and attack seasons and attack time of cough.Results：The most common syndromes of infantile pneumonia mycoplasma postinfectious cough were syndrome of wind heat invading lung，syndrome of win cold attacking lung and syndrome of deficiency of Lung Qi.The attack time of cough caused by wind cold attacking lung had a tendency to focus on Xu Shi，but there was no statistical difference (P＞0.05).The attack time of cough caused by win heat invading lung focused on Mao Shi and Xu shi，while the attack time of cough caused by deficiency of Lung Qi had no rules to follow.Conclusion：The attack time of infantile pneumonia mycoplasma postinfectious cough has a certain rule，and there exists certain correlation between clinical syndromes and attack time.

Key words: Pneumonia mycoplasma infection, Cough, Syndrome, Time pattern, Children