As a result of study on indications for the use of Onkyung-tang in Hyungsang medicine, the writer drew following conclusions. In literature Onkyung-tang was originated in Geumgyeyoryak, it was adapted to leucorrhea as a result of hemorrhage into the tissues in the lower region of abdomen after abortion, to sterility for a long time owing to being cold in the abdomen or to menstrual irregularity. Onkyung-tang in Dongeuibogam was gone after the signification of Geumgyeyoryak, but the structural elements and quantity of the prescription follow the theory in Euihakyipmun. It is the prescription that cures menstrual irregularity, melena, leucorrhea and sterility, which are occurred from hemorrhage into the tissue with shortage of blood due to being weak and cold in Chungimmak, as being warming up Kyung and spreading out cold, and also as being making blood and taking off hemorrhage. Nowadays Onkyung-tang is widely prescribed not only menstrual irregularity, melena, leucorrhea and sterility but also ceasing of menstruation, menopausal disorders and myoma of the uterus. As a result reviewing the clinical cases which was medicated with Onkyung-tang in Dongeuibogam, it was come to the conclusion that Onkyung-tang is efficacious to the figure and to the connected symptoms having with weakened Chungimmak in Hyungsang medicine. Also it can be utilized in many cases of diseases in the female genital organs. It can be summarized that the efficacious cases of figure, color, pulse and symptoms which Onkyung-tang can be applied, are as follows : Figure - On the ground of weakening of Chungimmak, its application is good for the cases of small breasts, thin hair, weak tonsils or skin of lips being grazed, Dam type, Ki type, Hyul type and also menarche being earlier or later than normal. Color - Because of weakening of Chungimmak and uterus being ill, in the cases of wearing with a darkish complexion, being dameumki below eyes due to damp and dam in stomach, and being dark color around umbilicus owing to cold lower abdomen, the prescription is efficacious. Pulse - In the case which pulse appears on the level of liver-large intestine it is efficacious, because the sickness of Chungimmak is closely connected with Jokkyulumgankyung. Symptoms - Especially pains in breasts during menstruation, menstrual irregularity, a bloody flux, painful menstruation, leucorrhea, myoma of the uterus, a carbuncle on the face, skin diseases and pelvic affection, owing to uterine diseases caused from weakening Chungimmak are medicated well with Onkyung-tang.