The cystoscopy is fine, hematuria may be caused by damage to the urethral mucosa during the examination, or it may be caused by diseases of the upper urinary tract, such as nephritis, kidney stones, etc. The urethral mucosa may be damaged during the examination. 1. Damage to the urethral mucosa: patients in the cystoscopy, may be due to the operation process led to patients with urethral mucosal injury, so the patients in the cystoscopy will be fine with the symptoms of hematuria. 2. Nephritis: the etiology of nephritis is not clear, and it is considered to be caused by viral, bacterial and other pathogenic infections. The main symptoms of patients are hematuria, proteinuria, edema and so on, so the patients will have hematuria even though they are fine with cystoscopy. 3. Kidney stones: Kidney stones are caused by factors such as increased concentration or decreased solubility of stone-forming substances in the urine, and patients will have symptoms such as hematuria, pain, abdominal distension and nausea. Therefore, the patient will be fine after cystoscopy, but will have the manifestation of hematuria. To summarize, the patient in cystoscopy is fine with the symptoms of hematuria should be timely to the hospital, identify the cause of the disease, and follow the doctor’s instructions for treatment.