To observe clinical efficacy of Huanglian Wendan Heji (Huanglian Wendan Mixture) together with conventional therapy in treatment of damp-heat type of gerontic diabetes gastroparesis (DGP).Methods:36 cases were selected to take Huanglian Wendan Heji(Huanglian Wendan Mixture),twice a day (Mane et Vesp),for 2 consecutive courses of therapy,2 weeks for each course.FPG,2hPG,HbA1c and gastric-emptying test were examined before and after treatment,and improvement of clinic symptoms was observed.Results:The clinical observation suggested Huanglian Wendan Heji had a total efficacy rate of 86.11% for damp-heat type of gerontic DGP,nonetheless,it had no significant impact on plasma sugar and HbAlc.Conclusion:Huanglian Wendan Heji is very effective for gerontic patients with damp-heat type of DGP,and is suitable for clinical generalization.