Abstract:Objective To investigate the distribution and combination regularity of the TCM syndrome elements of cough variant asthma. Methods Collected literatures about cough variant asthma in 10 years from the China national knowledge infrastructure. Filter the name of the disease. Analyzed the distribution and combination regularity of the nature and location syndrome elements. Results Wind,deficiency of qi,fire (heat)and phlegm were the main nature syndrome elements of cough variant asthma. Lung, spleen and kidney were the main location syndrome elements of this disease. The combination of two syndrome elements and three syndrome elements were the main syndrome elements combination . The main combination of two syndrome elements were wind evil invading the lung,deficiency of lung qi,deficiency of lung yin;The main combination of three syndrome elements were wind-cold invading the lung,qi deficiency of lung and spleen. Conclusion Lung, spleen and kidney were the main locations of the disease, while Wind, deficiency of qi,fire(heat)and phlegm were the main nature of disease,and the combination of two syndrome elements and three syndrome elements were the main syndrome elements combination .