OBJECTIVE:To systematically review and summarize Professor Huang Shaogang’s medication regularity for chronic gastritis.METHODS:Traditional Chinese medicine（TCM） prescriptions of Professor Huang Shaogang for the treatment of chronic gastritis in outpatient from 2017 to 2019 were collected

Excel was used to build a database

association rules of IBM SPSS Modeler 18.0 software was used to analyze and mine common drug combinations

SPSS Statistics 22.0 software was used to coruluct clustering analysis on 20 types of high-frequency Chinese medicines.RESULTS:Totally 341 TCM prescriptions were involved

the commonly used traditional Chinese medicines were pinellia ternata

perilla stalk

dried tangerine peel

atractylodes macrocephala and costusroot

the commonly used types of traditional Chinese medicines were Qi-regulating drugs

tonic drugs and phlegm-resolving drugs

the most commonly used drug combination of 2 flavors of traditional Chinese medicine was pinellia ternata-perilla stalk

the drug combination with the highest degree of improvement in association rules was bupleurum-pinellia ternata→Scutellariae baicalensis.5 cluster groups was obtained from the cluster analysis on 20 flavors of high-frequency traditional Chinese medicines

respectively were Scutellaria baicalensis

hupleurum

pseudostellaria

citrus aurantium

albizia julibrissin

radix paeoniae and corydalis（C1 group）

amomum villosum

gallus gallus

cardamom

astragalus and black medicine（group C2）

pinellia ternata

tangerine peel

perilla stem

atractylodes

poria and codonopsis（group C3）

costusroot（group C4）

magnolia officinalis（group C5）.CONCLUSIONS:Professor Huang Shaogang believes that the basic pathogenesis of chronic gastritis is based on the weakness of spleen and stomach

internal phlegm-dampness and Qi-stagnation and liver-depression as the criteria.In clinical practice

the basic treatment principle is strengthening spleen and removing dampness

soothing liver and regulating Qi

modified with symptoms.