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Objective: To analyze the incidence and distribution of oral mucosal diseases in Hunan Province and provide reference for prevention and treatment.
 Methods: The clinical data for all patients, who were treated in Xiangya Hospital of Central South University from April 2013 to March 2017, were collected. After screening, weighing and classifying, sex and age distribution for the disease was analyzed.
 Results: The female with the age between 40 to 49 were in the majority among 21 972 patients. The ratio between men to women was 1:1.05. According to the classification of diseases, the most common diseases were as follows: recurrent aphthous ulcer (27.17%), burning mouth syndrome (15.72%), oral submucous fibrosis (14.75%), oral lichen planus (10.38%), oral leukoplakia (4.21%), traumatic ulceration (4.14%), chronic cheilitis (3.47%), oral fungal infection (3.26%), and atrophic glossitis (2.74%). Recurrent oral ulcer (28.65%), burning mouth syndrome (23.70%) and oral lichen planus (13.31%) were the most common 3 kinds of oral mucosal diseases during females in Hunan. Oral submucous fibrosis was the most common oral mucosal disease among males in Hunan (28.56%).
 Conclusion: Recurrent oral ulcer, burning mouth syndrome and oral lichen planus are very popular in women in Hunan Province, and oral submucous fibrosis is the most common disease in male in this region. It shows a high trend of incidence in the surrounding provinces.

The rules of acupoint selection for diabetic peripheral neuropathy (DPN) based on data mining technology are analyzed. Literature regarding acupuncture for DPN published in core journals from January of 2005 to December of 2014 was retrieved in CNKI database and Wanfang database to establish a database of acupuncture prescriptions, which were included into the TCM Inheritance Platform software (Version 2.0). The data mining methods, including rule analysis, revised mutual information, etc. were applied to analyze the acupuncture prescriptions and the frequency of each acupoint was calculated. The results indicated Zusanli (ST 36), Sanyinjiao (SP 6), Quchi (LI 11), Yanglingquan (GB 34), Hegu (LI 4), Shenshu (BL 23), etc. were mostly selected in acupuncture for DPN; in addition, 19 acupoint combinations were acquired. It is concluded that acupuncture for DPN applied reinforcing methods as main rules, accompanied with promoting blood and qi circulation; the acupoint selection focused on yangming meridians and back- shu points.