Patients with urinary retention need to pay attention to the following matters in their daily care: 1. When indwelling catheterization, pay attention to choosing a catheter with little irritation to the urinary tract and suitable size, and pay attention to observing the nature, volume and color of urine. Pay attention to disinfection and reduce the number of disassembly of the interface between the urinary catheter and the urine storage bag to prevent urinary tract infections; 2. If the condition allows, ask the patient to drink more water and urinate not less than 2500ml per day, which can reduce the occurrence of urinary tract infections and stones, and should avoid drinking too much water at a single time; 3. Regularly replace the urinary catheter and prevent blockage of the catheter or adhesion with the tissue; 4. Pay attention to the daily training of the function of the forced urinary muscle to prevent bladder Atrophy can be induced by light strikes and hot compresses to induce urination; 5. Develop good living habits, avoid spicy and stimulating foods, avoid sedentary and overworking, and prevent constipation and holding urine.