Heavy menstrual flow and blood clots or collapse (excessive menstrual flow or spotting) at age 50 may be related to blood heat and blood stasis, etc. They can be treated with Lost Smile San, Po Yin Decoction, and Clearing Heat and Fixing Menstruation Soup. Excessive menstrual flow means that the amount of menstrual flow is significantly higher than usual, while the cycle and menstrual period are basically normal. Excessive menstrual flow with blood clots may be caused by blood stasis and blood heat. 1. Lost Smile San, composed of Pu Huang and Wu Ling Yi, has the efficacy of activating blood circulation, eliminating blood stasis, dispersing knots and relieving pain. It is mainly used for treating pain syndrome of blood stasis, which is characterized by stabbing pain in the heart and chest, pain in the epigastrium (abdomen), or post-partum dyspareunia (a woman’s post-partum dyspareunia cannot be discharged), or irregular menstruation, and acute pain in the lesser abdomen (lesser belly). Wuling Resin is easy to spoil the stomach, and should be used with caution for those with weak spleen and stomach, and menstruating women; it is forbidden for pregnant women. 2. Po Yin Decoction is composed of Radix Rehmanniae Praeparata, Radix Rehmanniae Praeparatae, Radix Paeoniae Alba, Rhizoma Dioscoreae and Rhizoma Dioscoreae. Functions: nourishing yin and clearing heat (nourishing yin essence and removing heat), stopping bleeding. It is used for treating yin deficiency and internal heat, bringing down gonorrhea, reddish blood, hematochezia, blood in the stool, pre-menstrual period, and slippery pulse. 3. Clearing Heat and Fixing Menstruation Soup is composed of raw huang of the earth, dijiangpi of the earth, sizzling tortoise shell and oyster. Functions: Clearing heat and cooling blood (relieving blood heat by clearing heat) to stop bleeding. Treating blood-heat disintegration and leakage. If there is deficiency of Qi, add Radix Salviae Miltiorrhizae and Radix Astragali; if there is thirst, add Rhizoma Ophiopogonis and Rhizoma Asparagus. If excessive bleeding occurs, it is recommended to go to hospital for active treatment. If you need to take the above medicines, you should do so under the guidance of a doctor.