Medicine for treating dysmenorrhea and preparation method thereof

The invention belongs to the field of medicines, and particularly relates to a medicine for treating dysmenorrhea and a preparation method thereof. The medicine for treating dysmenorrhea contains a component A and a component B which are independently stored, the component A contains iron powder, vermiculite, activated carbon and water in a mass ratio of (0.5-2): (0.2-1): (0.2-2): 1 and is used in the form of a patch, and the component B contains emu oil, ostrich oil, menthol, snake oil, coconut oil, triglyceride, an angelica sinensis extract, a ginger extract, a pepper extract and water. The content of emu oil, ostrich oil, menthol, snake oil, coconut oil, triglyceride, angelica sinensis extract, ginger extract and pepper extract in the component B is not less than 5wt%, the total content is not less than 90wt%, and the component B is used in the form of liniment, ointment or patch. The medicine has a good curative effect on dysmenorrhea and is relatively long in onset time. 本发明属于医药领域，具体涉及一种治疗痛经的药物及其制备方法。所述治