OBJECTIVE： To provide reference for rational use of TCM decoction pieces in TCM diabetes department. METHODS： The use of TCM decoction pieces in TCM diabetes department of our hospital during 2011-2014 were analyzed statistically in respects of consumption quantity， consumption sum and annual average growth rate by Excel. RESULTS： The consumption quantity of  TCM decoction pieces in diabetes department of our hospital increased from 9 499.58 kg to 16 674.36 kg with average growth rate of 20.84％； the consumption sum of it increased from 127.16 ten thousand yuan to 232.56 ten thousand yuan with average growth rate of 22.29％. Consumption sum ratio kept between 2.17％ and 2.80％. Drugs for tonifying deficiency was the greatest in amount （accounting for 20.33％-31.07％）， followed by drugs for activating blood circulation to dissipate blood stasis， drugs for clearing heat， drugs for clearing damp and promoting diuresis， drugs for relieving exterior syndrome， etc. Top 4 drugs in the list of consumption quantity were Astragalus membranaceus， Salvia miltiorrhiza， Poria cocos and Puerariae Radix. Consumption sum order changed greatly， and Ganoderma sinensis， raw Astragalus membranaceus and so on ranked the top places. CONCLUSIONS： Both the consumption quantity and consumption sum of TCM decoction pieces increased year by year in TCM diabetes department of our hospital， but the proportion of total sum and medication structure always keep stable.