2. The characteristic of casserole is that it will not cause chemical reaction of materials, which will affect the quality and efficiency of materials.
3. Put the traditional Chinese medicine into the casserole and soak it in warm water or cold water for about 20 minutes.
4. Add more for the first time, and the water is half higher than the medicine surface.
5. Stir with chopsticks during soaking to reduce boiling time.
6. After soaking, put the traditional Chinese medicine on the gas and boil it for the first time until 10 minute after boiling.
7. use a big fire at first, and then use a small fire after it starts, so it can't be done.
8. When cooking for the second time, add more water directly than the first time and cook for a little longer.
9. Cook for about 20 minutes, and pour out when it is warm.