Objective To evaluate the effect of Pingganjian Decoction (Decoction for liver diseases) on the non-alcoholic fatty liver diseases (NAFLD).Methods Totally 105 NAFLD patients were randomized into a treatment group (54 cases) and a control group (51 cases).The former was treated with Pingganjian Decoction while the latter treated with Fufang Yiganling Tablets and Zhibituo Tablets for 3 months.Changes in the symptoms scores,body mass index (BMI),waist-hip ratio (WHR),CT ratio of liver-spleen,homeostasis model assessment insulin resistance (HOMA-IR),liver functions,uric acid and blood-fat before and after treatment were observed.Results After treatment,in the treatment group,the symptom score was significantly decreased,CT ratio of liver-spleen was significantly increased,and the level of HOMA-IR was decreased.Compared with those of the control group,the difference was significant (P