The steps to use an emergency urine bag are as follows:

1. Preparation: Ensure that the urine bag is clean and check if the bag’s sealing system is intact.
2. Open the urine bag: According to the design of the urine bag, open the opening. If there is a catheter or funnel, please use it according to the instructions.
3. Urination: Align the opening of the urine bag with the position of the urethra and start urinating. Urine will flow into the bag.
4. Closure: After urination, promptly seal the urine bag. According to the design, sealing strips, zippers, or rotating covers can be used to ensure that urine does not leak out.
5. Handling: When using disposable urine bags, dispose of them properly; Reusable urine bags should be cleaned and disinfected according to the instructions.
6. Cleaning: Ensure that there is no contamination on the outside of the urine bag and dispose of or clean it thoroughly.