Interstitial cystitis often occurs in middle-aged women and is characterized mainly by fibrosis of the bladder wall. It is accompanied by a reduction in bladder capacity, with frequency, urgency, and bladder distention as its main symptoms. I. Diagnosis of interstitial cystitis: 1. Clinical symptoms: urinary frequency, urinary urgency, bladder area distension and pain; 2. Cystoscopy and hydrodilatation under anesthesia and treatment: 2. Treatment of interstitial cystitis: Western medicine 1. Some patients can be self-relieving, and some can be made less symptomatic by treatment, and some may not be effective. 1, drug therapy (1) immunosuppressive drugs: hydrocortisone 100mg per day or prednisone 10-20mg per day; azathioprine 100mg/d. (2) antihistamines: trimethoprim 50mg, 4 times / d. (3) heparin: can neutralize eosinophilic cationic protein, 5000U / subcutaneous injection, every 8 hours, two days later to every 12 hours, 12h after the drug Symptoms are reduced. Can also use long-acting heparin 20,000 U intravenous drip, in order to block the effect of histamine. (4) Sodium pentosan sulfate: 150mg, 2 times/d, 1 course in 4-8 weeks, can replenish the missing amino glucan in the bladder mucosa. (5) Others: vitamin E 100mg orally, 3 times/d, 4 weeks for 1 course; anti-connective tissue drugs, chloroquine 250mg orally, 3 times/d; estrogen, amitriptyline, anticholinergics, antispasmodic analgesics, calcium channel blocking drugs, etc. Drug infusion treatment: Chinese medicine treatment: Chinese medicine treatment should be chosen to clear heat and detoxify, dampness and laxative, supplemented by tonifying the kidney and consolidating the root, activating blood circulation and removing blood stasis, supporting the righteousness and eliminating evil, and improving the immunity of the body as the method of formula. The author has contacted many such patients in the clinic and has gained a lot of insights. If the evidence is properly identified, immediate results can be seen.