Purpose : This study investigated reliability of Oriental DB & GY(obstetrics & gynecology) Questionnaires's items which was used by Dong-Eui OB & GY through analysis of oriental OB & GY books. Method : This study investigated differentiation of syndrome through analysis of oriental OB & GY book's. Result: This study investigated differentiation of syndrome through analysis of oriental OB & GY disease and pathogenesis. This study's pathogenesis was such that deficiency of Ki, deficiency of blood, stagnation of Ki, stagnated blood, deficiency of Yang, deficiency of Um, cold syndrome, heat syndrome, dampness, dryness, phlegm, kidney, liver, heart, spleen, wind, lung. We except lung from Questionnaires's pathogenesis because it is stuck for importance. We except wind from Questionnaires's pathogenesis because it is stuck for preguence. Oriental OB & GY Questionnaires's pathogenesis consist of 15 items such that deficiency of Ki, deficiency of blood, stagnation of Ki, stagnated blood, deficiency of Yang, deficiency of Um, cold syndrome, heat syndrome, dampness, dryness, phlegm, kidney, liver, heart, spleen. Oriental OB & GY Questionnaires construct pathogenesis's question and guide post through we examined it's reasonableness.