Cystoscopy is done to check the source of hematuria, abnormal urination, etc. It can also be used to treat bleeding spots or papillomas in the bladder. 1. Source of hematuria:Cystoscopy can be used to check the source of hematuria in patients and can identify the cause of hematuria. Cystoscopy can also be performed if the patient has a urinary tract infection that is ineffective after anti-infective treatment. 2. Abnormal urination: If the patient has abnormal urination, such as frequent urination, urinary urgency, painful urination and other symptoms, cystoscopy can be taken as the basis of the doctor’s diagnosis. 3. Bleeding spots or papillomas:Patients with bleeding spots or papillomas in the bladder can be treated with electrocautery through cystoscopy. Cystoscopy is used as an aid in the diagnosis of many diseases and should be performed by a medical professional. Cystoscopy is not indicated in women with acute inflammation of the urethra and bladder, small bladder capacity, or menstruating women, and it is not recommended for women who are more than 3 months pregnant.