To observe the effects of Hui food therapy combined with lifestyle intervention on Prediabetes.Methods:A total of 373 IGT patients screened in the Department of Ethnic Medicine of Beijing Hui Hospital and Niujie Community Service Center from July 2016 to December 2017 were selected as the research subjects.Randomized grouping，parallel control，and non-blind study were used to divide them into an observation group(n=190)and a control group(n=183).The observation group used simple lifestyle intervention combined with“Shenying Huidou Decoction”treatment，and the control group used simple lifestyle intervention.The patient's fasting blood glucose(FBG)，blood glucose 2 h(2 hPBG)，glycosylated hemoglobin(HbA1c)，total blood lipid cholesterol(TTC)，triglyceride(TG)，low density lipoprotein(LDL-C)were observed.The conversion rate of 2 groups of patients and the improvement of TCM syndromes were observed.Results:The observation group can significantly reduce FBG，2 hPBG(P<0.05)，significantly reduce TC and low density lipoprotein LDL-C(P<0.05).After 12 months of intervention，the conversion rate of observation group to diabetes was 14.21%，stable at IGT of 52.63%，the normal rate was 33.16%，the control group had a diabetes rate of 20.77%，the stable at IGT of 57.37%，and the normal rate was 21.86%.The conversion rate of the normal population in the observation group was significantly higher than that of the control group，and the conversion rate of diabetes was significantly lower than that of the control group(P<0.05).The observation group was superior to the control group in improving TCM syndromes(P<0.05).Conclusion:Food treatment of Hui combined with lifestyle intervention can delay the progression of prediabetes and improve the quality of life of patients.