Tongyou Runzao Pill is a type of Chinese patent medicine that belongs to the heat-clearing category. It has the effects of clearing heat and promoting bowel movements, and lubricating the intestines to relieve constipation. It is mainly used to treat constipation caused by heat accumulation in the stomach and intestines, with symptoms such as obstinate constipation, abdominal distension, bitter taste in the mouth, and yellow urine. The main effects of Tongyou Runzao Pill are clearing heat and promoting bowel movements, and lubricating the intestines to relieve constipation. It is suitable for the treatment of constipation caused by heat accumulation in the stomach and intestines, with symptoms such as obstinate constipation, abdominal distension, bitter taste in the mouth, and yellow urine. The formula mainly consists of raw and processed rehmannia glutinosa, which have bitter and cold properties and are used as the principal medicine to purge the bowels, attack heat, and clear toxins. Other ingredients include hempseed, bitter apricot kernel, yuliren, and peach kernel, which lubricate the intestines and relieve constipation, serving as adjuvant medicines. Safflower and angelica sinensis nourish the blood and activate blood circulation, enhancing the effect of lubricating the intestines and relieving constipation. Zhiqiao, houpo, muxiang, and binlang regulate qi and promote bowel movements. Scutellaria baicalensis clears heat and purges fire. Raw and processed rehmannia glutinosa nourish the blood and moisten the yin, serving as adjuvant medicines. Licorice harmonizes the medicinal properties and serves as the guiding medicine. When used together, these medicines have the effects of clearing heat, promoting bowel movements, lubricating the intestines, and relieving constipation. Precautions: During the medication period, avoid eating raw, cold, spicy, and greasy foods. If there is no improvement in symptoms after taking the medicine, or if symptoms worsen, or if new symptoms appear, stop taking the medicine immediately and seek medical attention. People with allergic tendencies should use it with caution. Children and the elderly who are frail should take the medicine under the guidance of a doctor. The adverse reactions of Tongyou Runzao Pill are not yet clear, but it is contraindicated for pregnant women.