1, put mung beans into a pot and soak them in water for about two hours;
2. Then put it into the pressure cooker, add appropriate amount of water, and start the pressure cooker;
3. Then peel the lily and cut it into pieces;
4. Then soak it in water and wash it;
5. Hold the pressure for about half an hour after fifteen minutes;
6. Then add lily;
7. Add another piece of old rock sugar;
8. finally, you can eat it in a bowl.