Tongdi capsule is not recommended for long-term use, long-term use may damage kidney function. Tongdi Capsule is a proprietary Chinese medicine, containing Panax notoginseng, Zi Jinlian, Da Qing Mu Xiang, Xin Xin and other drugs composition, commonly used in the treatment of stagnation of qi and blood stasis (because of the lack of qi to lead to blood stagnation), the meridian blockage of the pain caused by, or the pain of bruises and beating, headache, menstrual cramps, stomach and epigastric pain, and also can alleviate the symptoms of blood in stools, bleeding due to trauma, and so on. As Tongdi Capsules contain Aristolochiaceae plant, Sinapis, if taken for a long time, it may damage kidney function. Tongdi capsule must be taken under the guidance of a traditional Chinese medicine practitioner to avoid the medication is not right, damage to the body, and it is also impossible to adjust the dosage without authorization to avoid the occurrence of toxic side effects.