It is recommended to go to the hospital for urine routine and urine culture examination to clarify whether there is any infection and give symptomatic treatment. 1. If urine culture and urine routine can see a large number of white blood cells and the number of bacteria is obviously elevated, it is considered that there is an infection; it is recommended to take oral levofloxacin hydrochloride capsule 1 capsule 3 times a day, sodium bicarbonate tablet 1 tablet 3 times a day, or oral cefixime capsule 1 capsule 2 times a day, and cefixime tablet 1 tablet 3 times a day. If a man is older than 45 years old, he should be considered to have frequent urination at night due to prostatic hyperplasia, and it is recommended to perform ultrasound examination of the prostate gland and determination of residual urine. If it is confirmed that there is prostatic hyperplasia, it is recommended to take Tamsulosin hydrochloride extended-release capsule 1 capsule orally at bedtime once daily and Finasteride 1 tablet orally once daily for 1 month and observe whether the urinary frequency improves.