Only menstrual irregularities caused by blood stasis and obstruction need to activate blood circulation and remove blood stasis (to promote blood circulation and eliminate blood stasis in the body), which can be treated by taking medicines such as Taohong Si Wu Tang (桃红四物汤), Yi Mu Cao Cream (益母草膏), and Loss of Smile San. 1. Tao Hong Si Wu Tang is composed of Angelica sinensis, red peony, Radix et Rhizoma Dioscoreae, Rhizoma Dioscoreae, Rhizoma Ligustici Chuanxiong, etc. It has the effect of activating blood circulation and regulating menstruation (regulating menstruation by activating blood circulation). It can treat menstrual disorders caused by stagnation of blood stasis. 2. Motherwort Cream: It is composed of motherwort, which has the effect of activating Blood and regulating menstruation. It can be used for irregular menstruation caused by Blood stasis, uninterrupted post-partum menstrual discharge, symptoms such as scanty menstruation, dribbling, prolonged post-partum bleeding, and so on. 3. Lost Smile San: It is composed of Wu Ling Yi and Pu Huang, with the efficacy of activating blood stasis, dispersing knots and relieving pain, and can be used for treating pain caused by blood stasis, such as stabbing pain in the heart and chest, pain in the epigastrium (abdomen), postpartum failure of menstrual flow (women can’t discharge their menstrual flow after giving birth), menstrual disorders, and acute pain in the lesser abdomen (lower abdomen). If symptoms of irregular menstruation caused by stagnation of blood stasis occur, one should consult the clinician and take the medicine as prescribed by the doctor.