| [Objective]To explore Professor DAI Deying's experience in the treatment of different types of endometriosis.[Methods]Through learning with Professor DAI, sorting out the relevant cases, from the clinical characteristics of endometriosis, Professor DAI’s idea of creating Hongteng formula and the experience of treating different types of endometriosis to analyze Professor DAI's experience of using Hongteng formula to treat different types of endometriosis. At the same time,three cases were attached for verification.[Results]Endometriosis has become a difficult gynecological disease because of its miscellaneous manifestations and frequent recurrence. Professor DAI believes that the etiology and pathogenesis of the disease is that blood stasis in the lower-jiao produces heat, then stasis and heat block uterine vessels, clinic attention is paid to examining and seeking causes, with classical prescription as the basis, dialectical addition and subtraction, Hongteng formula was created to treat endometriosis, and according to different clinical manifestations,combined with different treatment methods.In the three cases attached to this paper, Professor DAI combined the menstruation regulation, surgical operation and external treatment with Chinese medicine respectively to treat different patients,all of them get good effects.[Conclusion]Professor DAI Deying treats the relationship between disease and syndrome dialectically, and uses Hongteng formula combined with different treatment methods skillfully in clinical practice, which is worth learning from later generations.