To research the identification and treatment patterns of the dampness-heat body constitution based on ancient medical literature, and provide reference for the prevention and treatment of diseases related to dampness-heat body constitution. Methods: Using Chinese medicine literature scanning method and data mining technology to draw descriptive statistics of the medical records in body constitution, and diseases, syndromes, and diagnosis and treatment patterns regarding different body constitutions. Results: 1) A total of 1474 medical records in regard to body constitution were found in the ancient literature, among which 76 cases are dampness-heat body constitution, taking the percentage of 5.15%. 2) There were 48 kinds of diseases and 6 kinds of syndromes regarding to the dampness-heat body constitution recorded in ancient literature. 3) As to treatment pattern, 77.63% of the records adopt the method of differentiating body constitution, which is the most dominant. Others are disease differentiation and syndrome differentiation in treatment. Conclusion: 1) The dampness-heat constitution medical records occupies a certain proportion in ancient literature. Although the age of living and environment of living has changed, research on the dampness-heat constitution is still very important. 2) Dampness-heat constitution is the pathological basis in treating dysentery, bi-syndrome, stranguria and other diseases. 3) There are many diagnosis and treatment patterns in regulating the dampness-heat constitution, headed by constitution differentiation and treatment, combining with disease differentiation and syndrome differentiation and treatment.