The inquiry of questionnaire was performed at the ten university hospitals in seoul and five veterans hospitals nation wide. The study suggested standardization methods of both medical abbreviation and forms of medical record. The Purpose of the Study is to offer the basic data to the Electro Medical Record System. In the concrete review, the high frequency diseases of medical abbreviation and items of medical record form which needs standardization are as follows; admission discharge summary note, discharge summary note , history note, progress note, operation note, and emergency room note. The major results of the study were as follow; 1. The high frequency diseases of medical abbreviation were examined as follow; AF atrial fibrillation 93%, AHA acquired hemolytic anemia 60%, AI aortic insufficiency 87%, ARD adult respiratory distress 60%, AS aortic stenosis 60%, BAbronchial asthma 80%, CD convulsive disorder 67%, HD hemodialysis 67%, MI myocardial infarction 73%, MM multiple myeloma 67%, MS mitral stenosis 80% OM osteomyelitis 73%, PVC premature ventricular contraction 80%, PVH pulmonary vascular hypertension 53%, and PCL posterior cruciate ligament 60% RF renal failure 67%. 2. The standardization items of admission discharge summary note were as follow; identification information, and medical information(chief diagnosis, others diagnosis, chief operation, others procedure, result of therapy, type of discharge, infection, type of expire, follow up, signature). 3. The standardization items of a discharge summary note were composed of Chief Complain, Physical Examination, Lab Finding, Final Diagnosis, Therapeutic Procedure, Discharge Medication, and Staff Signature. 4. The standardization items of a history note were as follows; Chief Complain, Personal History, Social History(Smoking, Alcoholic, Drinking), Past History(Disease, Operation, Traumatic), Family History, Present Illness, Riview on System(Head and Neck, MusculoSkeletal, CardioVascula, Respiratory, Nervous, Gastrointestinal, Genitourinary, General System), Intern signature, and Staff signature 5. The standardization items of operation note were composed of as follows; Operation Date, Pre-operation Diagnosis, Post-operation Diagnosis, Name of Operation, Surgeon, 1st Assistant; 2nd Assistant:, 3rd Assistant, Amnesthelist, Amnesthesia Method, Finding and Procedure, Tissue to Pathology, and Signature.