Objective To explore the discipline of OSHAS in children in Kunming and TCM syndrome. Methods Through clinical eppdemiological investigation， use cluster analysis and principal component analysis to sort out four diagnostic information of 110 cases of children with OSAHS in Kunming. Results TCM syndromes of OSAHS in children in Kunming area typing into Four classes syndromes， respective as：Lung and Spleen Qi Deficiency merge with folders hot wind hit the lung syndromes：Spleen and Kidney deficiency merge with Anger on the inflammation syndrome，Qi sluggish and Stasis syndrome，Spleen wet storm Syndrome. Conclusion Use cluster analysis and principal component analysis to explore children OSAHS TCM is feasible.