Professor ZHANG Zhiyuan′s experience in treating metrorrhagia was summerized. It is believed that the occurrence of metrorrhagia is closely related to diet disorders

emotional disturbances and overwork. Various causes can lead to heat hiding in thoroughfare and conception channels

heat into blood causing injury to blood channels

sinking of middle qi

insecurity of thoroughfare and conception channels

or stagnation and obstruction of the thoroughfare and conception channels

or spleen and kidney deficiency

deficiency and coldness of thoroughfare and conception channels which can lead to metrorrhagia. The treatment is mainly based on fire

deficiency

and stasis. ZHANG is good at using the method of clearing heat and detoxification

supplementation and invigoration. He advocated that we should use the treatment of pattern differentiation from cooling the blood and stop bleeding

supplementing the middle and replenishing qi

invigorating blood and dissolving stasis

and warming yang to control blood.