Conclusion: Using Latent tree model analysis, 9 traditional medicine paterns were indentified including: Kidney-yang deficiency, Kidney-qi deficiency, Spleen-qi deficiency, Liver-qi stagnation, Liver-blood deficiency, Liver-Kidney-yin deficiency, Spleen-Kidney-qi deficiency, Girdle-vessel-qi stagnation, and Liver-Spleen disharmony.