Objective: To analyze the Chinese medication regularity and experience of professor YU De-zhao for treating the chronic gastritis in children induced by helicobacter pylori

and provide more ideas for clinical treatment of chronic gastritis in children induced by helicobacter pylori. Method: Total 77 pediatric outpatient cases including 243 electronic medical records for chronic gastritis treated by professor Yu from June 2014 to June 2015 were collected. Absolute frequency analysis

relative frequency analysis

and Hierarchical Cluster analysis were used to analyze and evaluate the Chinese medicine regularity. Result: The 9 herbs were used with a frequency over 50.00%

11 herbs were used with a frequency between 20.00% and 50%

and 13 herbs were used with a frequency below 20.00%. Moreover

theses 33 herbs could be divided into 7 types by Hierarchical Cluster analysis. Conclusion: The regularity of Chinese medication of professor Yu for treating the chronic gastritis in children induced by helicobacter pylori was based on the physiological characteristics of spleen and stomach in children

focused on the lung-regulating and spleen-tonifying therapy with combination of liver soothing and Qi regulating. At the same time

professor Yu also paid attention to the damp-and-hot accumulate knot

and usually adjusted measures to differing conditions

with local characteristics of Lingnan area.