Diabetic gastroparesis (DGP) is one of the common complications of diabetes, and TCM has certain advantages in the treatment of type 2 diabetic gastroparesis. TONG Xiaolin believes that spleen yang deficiency is an important pathogenesis of type 2 diabetic gastroparesis. The rule is to warming yang for dispelling cold. The main treatment method is warming spleen yang, accompanied by reducing reverse vomiting, regulating qi and relieving pain. Three-flavor prescriptions, composed of Dried Ginger, Evodia and Nutmeg, is a drug to treat the pathological target homology. Dry ginger has the effect of warming spleen and stomach for dispelling cold, restoring yang and rescuing patient from collapse; Evodia has the effect of dispelling cold, relieving pain, lowering adverse qi, and helping yang to relieve diarrhea; Nutmeg warm has the effect of warming spleen and stomach for astringent intestine, activating qi for resolving food stagnation. The combination of three drugs with warming yang and dispersing cold can improve the pathogenesis of spleen yang deficiency in type 2 diabetes with gastroparesis. The commonly used clinical doses of Dried Ginger were 9-30 g, Evodia were 6-15 g and Nutmeg were 6-15 g.