Biochemical pills do not have a purgative effect. The main pharmacological action of Sheng Hua Wan is to nourish blood and remove blood stasis. It is mainly used clinically for the treatment of small amount of embryonic tissue residue in the uterine cavity after normal delivery, after miscarriage or after abortion surgery, or when there is pain in the lower abdomen due to infection, cold stimulation and other symptoms that lead to incomplete drainage of the malignant dew in the uterine cavity. A relatively small amount of residue in the uterine cavity may have some therapeutic effect after taking biochemical pills; if it is a relatively large amount of tissue residue, taking biochemical pills generally has no exact effect and most of them need to be considered for the treatment of uterine evacuation surgery. During the period of taking this medicine, on the one hand, pay attention to not eating cold food and spicy stimulating food, on the other hand, pay attention to observe the amount of vaginal bleeding, if the bleeding suddenly increases significantly, you should go to the hospital in time.