1. Select the appropriate urine bag according to the specific situation of the patient;
2. After removing the package, first pull out the protective cap on the drainage tube, connect the drainage tube connector with the external catheter connector, and fix the hanging, sling or binding on the upper end of the drainage bag for use;
3. Pay attention to the liquid level in the bag, and replace the urine bag or drain fluid timely;
4. Drainage bag should be operated by doctors with professional technical training.