Bladder acidity may be caused by cold, and can be relieved by hot compresses. May also be cystitis or bladder stones caused by urinary tract infections, it is recommended to go to the hospital in time to do routine urinalysis, or the use of loratadine and metronidazole capsules for anti-inflammatory treatment. It may also be caused by urinary tract infection, pay attention to drink more water, pay attention to hygiene, change underwear, it is recommended to go to the hospital for abdominal ultrasound examination. It can also be caused by viral or bacterial infections, mostly because cystitis is not taken seriously and not treated in time. It is recommended to pay attention to personal hygiene, drink more water to increase the volume of urination, the use of anti-inflammatory drugs for treatment, such as accompanied by hematuria should be promptly go to the hospital for examination.