1. Cut clean pig tripe into short slices.
2. Put pig tripe in a pot. Add in enough water. Heat on the stove. When the water is almost boiled. Take the tripe out. Rinse and drain. Pour the rest water out.
3. Put tripe back in the pot again. Also pour in enough water.
4. Add in several red dates, barley, ginger slices. Cover the pot with lid. Turn to high heat. When it boils, turn to low heat.
5. Keep heating for 1 hour. Sprinkle salt and white pepper powder.