1. Prepare materials.
2. Use a little salt to scrub the surface of the star fruit.
3. Use a paring knife to trim off the five hard edges of the star fruit.
4. Then cut into small pieces and leave a slice for decoration on the cup.
5. Peel the oranges and cut them into small pieces, and put them in a mixing container with the carambola pieces.
6. Pour in an appropriate amount of cold boiled water.
7. Use a blender to make a juice.
