1. Peel the loquat and cut it into large chunks, wash the grapes and remove their skins, and peel the raisins;

2. Put the water in a small pot, bring it to a boil, then add the raisin meat, loquat chunks;

3. Boil again, add the grapes and rock sugar, stir to ensure the rock sugar is fully dissolved;

4. Cook for about 8-10 minutes before turning off the heat.5. Serve immediately.