Urinary frequency after the extraction of urinary catheter can be recovered in about 2~3 days, and some patients need a week’s time, and the frequency of urine after the extraction of urinary catheter may be the urinary frequency caused by urinary tract infection. 1. After the extraction of urinary catheter, patients should drink regularly, do not hold urine, drink more water and observe the color of urine, oral antibiotics such as norfloxacin, ciprofloxacin and so on. Eat a balanced diet, eat some protein food, do not eat spicy and stimulating food. 2. After pulling out the urinary catheter, urinary frequency, urgency, urinary pain and other symptoms caused by urinary infection, will also be accompanied by bacteriuria and pus urine. Diligent change of underwear, women should be prohibited sitz bath, sewage is easy to invade the urethra caused by infection. Should strengthen physical exercise, enhance physical fitness, prevent urinary tract infection. When there is urine, timely urination, active treatment of infectious diseases, and at the same time kill the bacteria that have invaded the urinary tract, to restore a healthy life.