Objectives : This study aimed to investigate the medical contents of Korean medical textbooks and intervention usage in clinical practice. Method : We conducted an email survey of Doctors of Korean Medicine(DKMs) registered with the Association of Korean Medicine and analyzed the 259 responses that we received. Results : 1, The study showed that most DKMs used western medical knowledge concerning “history taking and diagnosis”(96.5%), “management and prevention”(95.8%), “causes and overview”(91.9%), and “prognosis”(90.3%). DKMs did not usually use western medical knowledge with regard to “diagnosis and treatment evaluation tools”(40.9%) or “western medical treatments”(25.1%) in their clinical practice. 2. Of the DKMs surveyed, 39.0% usually used traditional and western medical terms at similar levels of frequency in explaining their patients’ conditions, while 35.9% used western medical terms more often and 20.8% used Korean traditional medical terms more often. 3. Most DKMs usually used acupuncture, herbal medicine, cupping therapy, Moxibustion in their practice and used herbal prescriptions presented in Dongeuibogam(57.1%), Bangyakhappyeon(52.9%), and Sa-Sang Constitutional Medicine(36.7%), although 27.8% used their own herbal prescriptions in creating for patients. In practice, DKMs usually used meridian acupuncture(64.1%), needling myofascial trigger points(54.8%), sa-am acupuncture(42.1%), dong-shi acupuncture therapy(24.7%), and constitutional acupuncture therapy(8.5%). Conclusions : We found that most DKMs use western medical contents as well as Korean medical contents in clinical practice. New Korean medical contents should be establish based on these results.