The unclean menstruation to take Yunnan Baiyao is not necessarily useful, because there are many reasons for menstrual dribbling, if it is a change of environment or mental stress, often stay up late, the influence of external factors, to take Yunnan Baiyao is not necessarily useful, only through the change of the external environment on the body’s influence, to slowly restore the menstruation. In addition, if there is endometrial thickening, polyps, or even endometrial lesions or endometrial cancer, it may also be manifested as irregular menstruation, in which case the effect of taking Yunnan Baiyao is not obvious, and it may be necessary to clarify the diagnosis through surgery, or even diagnostic scraping, and at the same time to achieve the purpose of stopping the bleeding. If the cervix has erosion or chronic cervicitis, or even cervical polyps, it may also show contact bleeding, or non-menstrual bleeding, which needs to be diagnosed through cervical cancer screening. Therefore, it is best not to blindly take Yunnan Baiyao, which is easy to cover up the condition and can not be clearly diagnosed.