The invention relates to a medicine composition for functional uterine hemorrhage and postpartum hemorrhage. A preparation method of the medicine composition comprises the following steps: taking 1000 g of clinopodium polycephalum, chopping, adding water for 1.5 hours' decocting twice, merging decoctions, filtering, concentrating to obtain a concentrate I of 1.15 g/ml, adding ethanol of which the weight is 1.7 times of that of the concentrate I, fully stirring, performing still standing for 24 h, taking an supernatant, conducting vacuum concentration to obtain a concentrate II 1.1 g/ml, adding water of which the weight is double of that of the concentrate II, fully stirring, performing still standing for 24 h, filtering, adding 290 ml of simple syrup and 2.5 g of sodium benzoate, adding water until 1000 ml, and conducting stirring, filling and sterilization to obtain the medicine composition. The prepared medicine composition is low in cost and wide in application prospect.