To clarify TCM syndrome distribution pattern of functional dyspepsia and their differentiation standards covered in modern clinical literatures.Methods:TCM syndrome distribution of functional dyspepsia and their differentation standards were extracted from the selected literatures by searching the CNKI and VIP database,and descriptive statistics was used.Results:The included 46 studies were taken in our study concerning 37 TCM types of syndromes.The eight most frequent appeared syndromes were the syndrome of disharmony between the liver and stomach,deficiency of the spleen and stomach,distorted mixtures of cold with heat,food stagnation,the depressed liver with the insufficient spleen,liver stasis,deficiency-cold of the spleen and stomach,and heat and dampness in the spleen and stomach.Among the 8 types,abdomen distension was the common symptom,and all involving the disease location of spleen stomach and liver,caused by Qi stasis,Qi deficiency,cold,heat,dampness,and food stagnation.Conclusion:Dysfunction of the spleen in transport is the core pathogenesis in TCM of functional dyspepsia.