Interstitial cystitis belongs to the category of gonorrhea (increased frequency of urination, dribbling and pain) in Chinese medicine, and can be treated with medication according to the different types of Chinese medicine. For example, if it is heat gonorrhea (burning and stinging pain when urinating, accompanied by frequent urination and urgency, and discomfort in the abdomen), the formula Bazheng San can be taken, and if it is hemorrhagic gonorrhea (the appearance of blood in the urine and accompanied by pain), the formula Xiao Thistle Drink can be taken. 1. Heat drenching: common symptoms of heat drenching include frequent, urgent and painful urination, accompanied by bitter mouth, nausea, lumbago and constipation, one can take Ba Zheng San, which has the efficacy of clearing heat and removing dampness (removing heat and dampness in the body), and clearing the drenching, and can cure dampness and heat in the bladder leading to frequent, urgent and painful urination. This formula is forbidden for non-damp-heat body types. 2. Hemorrhagic drenching: The common symptoms of hemorrhagic drenching are urinary urgency, urinary pain and blood in urine, often accompanied by heartburn. Xiao Ji Drink can be consumed, and this medicine has the efficacy of clearing heat and cooling the blood (relieving blood-heat by clearing heat) to pass the drenching and can treat blood in urine and urinary pain due to dampness-heat in the lower Jiao. Cold and dampness in the lower Jiao are prohibited from taking this formula. The above formula is recommended to be applied under the guidance of a traditional Chinese medicine practitioner and should not be used blindly by oneself.