Peach Kernel and Cheng Qi Tang has the effect of expelling blood stasis and cathartic heat, and can be used in the treatment of spontaneous urination, dysmenorrhea and amenorrhea. Peach Kernel Cheng Qi Tang is from “Treatise on Typhoid Fever”, which is composed of rhubarb, cinnamon sticks, peach kernel, manganese nitrate and roasted licorice, with the effect of expelling stasis and diarrhea and can be used in the treatment of lower jiao blood storage syndrome, which is characterized by spontaneous urination, urgent knotting in the abdomen, fever in the night, like madness, or even delirium and nonsense, irritability; and dysmenorrhea, menstrual amenorrhea, and blood stasis and menstrual occlusion, with sunken solid and astringent pulse. In this formula, peach kernel activates blood circulation and breaks blood stasis; rhubarb reduces blood stasis and dissipates heat; manganese nitrate is salty, bitter and cold, diarrhea and softens hardness; gui zhi passes blood circulation; baked licorice protects the stomach and calms the middle and eases the severity of all the medicines. The above drugs are used together to expel blood stasis and expel heat. The contraindications and adverse reactions of this formula are not clear, please do not use it by yourself, and use the medicine under the guidance of a doctor.